Search a number
-
+
12874046979478 = 2101449141944111
BaseRepresentation
bin1011101101010111100011…
…1111110011110110010110
31200120202011110200010211111
42323111320333303312112
53141412022011320403
643214131110125234
72466055612525126
oct273257077636626
950522143603744
1012874046979478
114113941992203
12153b0b035081a
1372502c3738c9
1432717021cc86
15174d3bc7856d
hexbb578ff3d96

12874046979478 has 16 divisors (see below), whose sum is σ = 19545704222400. Its totient is φ = 6359096128000.

The previous prime is 12874046979467. The next prime is 12874046979503. The reversal of 12874046979478 is 87497964047821.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70881358 + ... + 71062753.

It is an arithmetic number, because the mean of its divisors is an integer number (1221606513900).

Almost surely, 212874046979478 is an apocalyptic number.

12874046979478 is a deficient number, since it is larger than the sum of its proper divisors (6671657242922).

12874046979478 is a wasteful number, since it uses less digits than its factorization.

12874046979478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141944663.

The product of its (nonzero) digits is 1365590016, while the sum is 76.

The spelling of 12874046979478 in words is "twelve trillion, eight hundred seventy-four billion, forty-six million, nine hundred seventy-nine thousand, four hundred seventy-eight".

Divisors: 1 2 101 202 449 898 45349 90698 141944111 283888222 14336355211 28672710422 63732905839 127465811678 6437023489739 12874046979478