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104020031442 = 2383292081483
BaseRepresentation
bin110000011100000010…
…0111011011111010010
3100221111100001002200010
41200320010323133102
53201013112001232
6115441450135350
710341466451535
oct1407004733722
9327440032603
10104020031442
1140129661238
12181b0121556
139a69625982
14506ad0aa1c
152a8c11a0cc
hex183813b7d2

104020031442 has 16 divisors (see below), whose sum is σ = 208065140640. Its totient is φ = 34669164192.

The previous prime is 104020031431. The next prime is 104020031471. The reversal of 104020031442 is 244130020401.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 990768 + ... + 1090715.

It is an arithmetic number, because the mean of its divisors is an integer number (13004071290).

Almost surely, 2104020031442 is an apocalyptic number.

104020031442 is an abundant number, since it is smaller than the sum of its proper divisors (104045109198).

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

104020031442 is a wasteful number, since it uses less digits than its factorization.

104020031442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2089817.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 104020031442 its reverse (244130020401), we get a palindrome (348150051843).

The spelling of 104020031442 in words is "one hundred four billion, twenty million, thirty-one thousand, four hundred forty-two".

Divisors: 1 2 3 6 8329 16658 24987 49974 2081483 4162966 6244449 12488898 17336671907 34673343814 52010015721 104020031442