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442742787102 = 23711958317721
BaseRepresentation
bin1100111000101011000…
…01101100110000011110
31120022210111122221001210
412130111201230300132
524223214123141402
6535220534245250
743662402411450
oct6342541546036
91508714587053
10442742787102
11160847840a40
12719817b6826
133299aa08645
1417600b402d0
15b7b40b806c
hex671586cc1e

442742787102 has 32 divisors (see below), whose sum is σ = 1103982015744. Its totient is φ = 114998126400.

The previous prime is 442742787089. The next prime is 442742787143. The reversal of 442742787102 is 201787247244.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 479158399 + ... + 479159322.

It is an arithmetic number, because the mean of its divisors is an integer number (34499437992).

Almost surely, 2442742787102 is an apocalyptic number.

442742787102 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

442742787102 is an abundant number, since it is smaller than the sum of its proper divisors (661239228642).

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

442742787102 is a wasteful number, since it uses less digits than its factorization.

442742787102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 958317744.

The product of its (nonzero) digits is 1404928, while the sum is 48.

The spelling of 442742787102 in words is "four hundred forty-two billion, seven hundred forty-two million, seven hundred eighty-seven thousand, one hundred two".

Divisors: 1 2 3 6 7 11 14 21 22 33 42 66 77 154 231 462 958317721 1916635442 2874953163 5749906326 6708224047 10541494931 13416448094 20124672141 21082989862 31624484793 40249344282 63248969586 73790464517 147580929034 221371393551 442742787102