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11878772074 = 2131723265163
BaseRepresentation
bin10110001000000011…
…11010110101101010
31010122212000010220021
423010001322311222
5143311431201244
65242415151054
7600236616361
oct130401726552
933585003807
1011878772074
115046291304
12237621548a
131173ccaa20
148098a27d8
15497cc6284
hex2c407ad6a

11878772074 has 16 divisors (see below), whose sum is σ = 19199994912. Its totient is φ = 5479307568.

The previous prime is 11878772063. The next prime is 11878772093. The reversal of 11878772074 is 47027787811.

It is a super-2 number, since 2×118787720742 (a number of 21 digits) contains 22 as substring.

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, 87784 + ... + 177379.

It is an arithmetic number, because the mean of its divisors is an integer number (1199999682).

Almost surely, 211878772074 is an apocalyptic number.

11878772074 is a deficient number, since it is larger than the sum of its proper divisors (7321222838).

11878772074 is a wasteful number, since it uses less digits than its factorization.

11878772074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266901.

The product of its (nonzero) digits is 1229312, while the sum is 52.

The spelling of 11878772074 in words is "eleven billion, eight hundred seventy-eight million, seven hundred seventy-two thousand, seventy-four".

Divisors: 1 2 13 26 1723 3446 22399 44798 265163 530326 3447119 6894238 456875849 913751698 5939386037 11878772074