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13972904742 = 237331901609
BaseRepresentation
bin11010000001101100…
…11001101100100110
31100001210111002212110
431000312121230212
5212104030422432
610230303501450
71003155505416
oct150066315446
940053432773
1013972904742
115a20382165
12285b5b7886
131418b13094
14967a62646
1556ba7edcc
hex340d99b26

13972904742 has 16 divisors (see below), whose sum is σ = 28328629680. Its totient is φ = 4593831552.

The previous prime is 13972904723. The next prime is 13972904767. The reversal of 13972904742 is 24740927931.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 13972904691 and 13972904700.

It is a congruent number.

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, 15950367 + ... + 15951242.

It is an arithmetic number, because the mean of its divisors is an integer number (1770539355).

Almost surely, 213972904742 is an apocalyptic number.

13972904742 is an abundant number, since it is smaller than the sum of its proper divisors (14355724938).

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

13972904742 is a wasteful number, since it uses less digits than its factorization.

13972904742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31901687.

The product of its (nonzero) digits is 762048, while the sum is 48.

The spelling of 13972904742 in words is "thirteen billion, nine hundred seventy-two million, nine hundred four thousand, seven hundred forty-two".

Divisors: 1 2 3 6 73 146 219 438 31901609 63803218 95704827 191409654 2328817457 4657634914 6986452371 13972904742