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20232230603442 = 231113151295352883
BaseRepresentation
bin1001001100110101011101…
…11010110000101010110010
32122122011220221022111012120
410212122232322300222302
510122441102013302232
6111010320341535110
74155505351414524
oct446325672605262
978564827274176
1020232230603442
1164a04937a4690
122329185114496
13b39b77b531a0
144dd360b0da14
15251447b9892c
hex1266aeeb0ab2

20232230603442 has 128 divisors (see below), whose sum is σ = 47870603569152. Its totient is φ = 5619875904000.

The previous prime is 20232230603401. The next prime is 20232230603467. The reversal of 20232230603442 is 24430603223202.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 382558333 + ... + 382611215.

It is an arithmetic number, because the mean of its divisors is an integer number (373989090384).

Almost surely, 220232230603442 is an apocalyptic number.

20232230603442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 20232230603442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23935301784576).

20232230603442 is an abundant number, since it is smaller than the sum of its proper divisors (27638372965710).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20232230603442 is a wasteful number, since it uses less digits than its factorization.

20232230603442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56016.

The product of its (nonzero) digits is 82944, while the sum is 33.

Adding to 20232230603442 its reverse (24430603223202), we get a palindrome (44662833826644).

The spelling of 20232230603442 in words is "twenty trillion, two hundred thirty-two billion, two hundred thirty million, six hundred three thousand, four hundred forty-two".

Divisors: 1 2 3 6 11 13 22 26 33 39 66 78 143 151 286 302 429 453 858 906 1661 1963 2953 3322 3926 4983 5889 5906 8859 9966 11778 17718 21593 32483 38389 43186 52883 64779 64966 76778 97449 105766 115167 129558 158649 194898 230334 317298 422279 445903 581713 687479 844558 891806 1163426 1266837 1337709 1374958 1745139 2062437 2533674 2675418 3490278 4124874 4904933 5796739 7562269 7985333 9809866 11593478 14714799 15124538 15970666 17390217 22686807 23955999 29429598 34780434 45373614 47911998 63764129 87838663 103809329 127528258 156163499 175677326 191292387 207618658 263515989 311427987 312326998 382584774 468490497 527031978 622855974 936980994 1141902619 1717798489 2030125487 2283805238 3425707857 3435596978 4060250974 5153395467 6090376461 6851415714 10306790934 12180752922 22331380357 23580688349 44662760714 47161376698 66994141071 70742065047 133988282142 141484130094 259387571839 306548948537 518775143678 613097897074 778162715517 919646845611 1556325431034 1839293691222 3372038433907 6744076867814 10116115301721 20232230603442