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20416311235432 = 237291167818431
BaseRepresentation
bin1001010010001100010101…
…11110101001001101101000
32200021210001211111111012101
410221012022332221031220
510134000101134013212
6111231042432423144
74205013140106100
oct451061276511550
980253054444171
1020416311235432
116561566492aa2
1223589993a7ab4
13b5133300b078
1450822484c200
1525611d753157
hex12918afa9368

20416311235432 has 96 divisors (see below), whose sum is σ = 44591218122240. Its totient is φ = 8737917552000.

The previous prime is 20416311235409. The next prime is 20416311235459. The reversal of 20416311235432 is 23453211361402.

It is a junction number, because it is equal to n+sod(n) for n = 20416311235391 and 20416311235400.

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, 2421572257 + ... + 2421580687.

It is an arithmetic number, because the mean of its divisors is an integer number (464491855440).

Almost surely, 220416311235432 is an apocalyptic number.

It is an amenable number.

20416311235432 is an abundant number, since it is smaller than the sum of its proper divisors (24174906886808).

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

20416311235432 is a wasteful number, since it uses less digits than its factorization.

20416311235432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16143 (or 16132 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 37.

Adding to 20416311235432 its reverse (23453211361402), we get a palindrome (43869522596834).

The spelling of 20416311235432 in words is "twenty trillion, four hundred sixteen billion, three hundred eleven million, two hundred thirty-five thousand, four hundred thirty-two".

Divisors: 1 2 4 7 8 14 28 49 56 98 196 392 911 1822 3644 6377 6781 7288 8431 12754 13562 16862 25508 27124 33724 44639 47467 51016 54248 59017 67448 89278 94934 118034 178556 189868 236068 332269 357112 379736 413119 472136 664538 826238 1329076 1652476 2658152 3304952 6177491 7680641 12354982 15361282 24709964 30722564 43242437 49419928 53764487 57170611 61445128 86484874 107528974 114341222 172969748 215057948 228682444 302697059 345939496 376351409 400194277 430115896 457364888 605394118 752702818 800388554 1210788236 1505405636 1600777108 2421576472 2801359939 3010811272 3201554216 5602719878 11205439756 22410879512 52082426621 104164853242 208329706484 364576986347 416659412968 729153972694 1458307945388 2552038904429 2916615890776 5104077808858 10208155617716 20416311235432