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42155023352 = 231321711316231
BaseRepresentation
bin100111010000101000…
…101001101111111000
311000210212010001210012
4213100220221233320
51142313141221402
631211000241052
73021432533501
oct472050515770
9130725101705
1042155023352
1116972458a82
128205770188
133c8a697100
14207c89bba8
15116acbc452
hex9d0a29bf8

42155023352 has 96 divisors (see below), whose sum is σ = 91430635680. Its totient is φ = 18148515840.

The previous prime is 42155023343. The next prime is 42155023399. The reversal of 42155023352 is 25332055124.

42155023352 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2589077 + ... + 2605307.

It is an arithmetic number, because the mean of its divisors is an integer number (952402455).

Almost surely, 242155023352 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42155023352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45715317840).

42155023352 is an abundant number, since it is smaller than the sum of its proper divisors (49275612328).

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

42155023352 is a wasteful number, since it uses less digits than its factorization.

42155023352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16393 (or 16376 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

Adding to 42155023352 its reverse (25332055124), we get a palindrome (67487078476).

The spelling of 42155023352 in words is "forty-two billion, one hundred fifty-five million, twenty-three thousand, three hundred fifty-two".

Divisors: 1 2 4 8 13 17 26 34 52 68 104 113 136 169 221 226 338 442 452 676 884 904 1352 1469 1768 1921 2873 2938 3842 5746 5876 7684 11492 11752 15368 16231 19097 22984 24973 32462 38194 49946 64924 76388 99892 129848 152776 199784 211003 275927 324649 422006 551854 649298 844012 1103708 1298596 1688024 1834103 2207416 2597192 2743039 3587051 3668206 5486078 7174102 7336412 10972156 14348204 14672824 21944312 23843339 28696408 31179751 46631663 47686678 62359502 93263326 95373356 124719004 186526652 190746712 249438008 309963407 373053304 405336763 619926814 810673526 1239853628 1621347052 2479707256 3242694104 5269377919 10538755838 21077511676 42155023352