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42787451124042 = 238269990187103
BaseRepresentation
bin10011011101010001110101…
…10100110011100101001010
312121111102220000222122122120
421232220322310303211022
521102012144441432132
6231000141135432110
712004201632466452
oct1156507264634512
9177442800878576
1042787451124042
11126a7068769389
1249705b2985636
131ab4abb007cc1
14a7ccd0836d62
154e2eee49b02c
hex26ea3ad3394a

42787451124042 has 32 divisors (see below), whose sum is σ = 85594877905920. Its totient is φ = 14259154852800.

The previous prime is 42787451124001. The next prime is 42787451124049. The reversal of 42787451124042 is 24042115478724.

It is not an unprimeable number, because it can be changed into a prime (42787451124049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 491184663 + ... + 491271765.

It is an arithmetic number, because the mean of its divisors is an integer number (2674839934560).

Almost surely, 242787451124042 is an apocalyptic number.

42787451124042 is an abundant number, since it is smaller than the sum of its proper divisors (42807426781878).

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

42787451124042 is a wasteful number, since it uses less digits than its factorization.

42787451124042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105278.

The product of its (nonzero) digits is 4014080, while the sum is 51.

The spelling of 42787451124042 in words is "forty-two trillion, seven hundred eighty-seven billion, four hundred fifty-one million, one hundred twenty-four thousand, forty-two".

Divisors: 1 2 3 6 8269 9901 16538 19802 24807 29703 49614 59406 87103 174206 261309 522618 81871369 163742738 245614107 491228214 720254707 862406803 1440509414 1724813606 2160764121 2587220409 4321528242 5174440818 7131241854007 14262483708014 21393725562021 42787451124042