Search a number
-
+
51292031446 = 2472412264149
BaseRepresentation
bin101111110001001111…
…100100100111010110
311220101122000011120101
4233301033210213112
51320021230001241
635321354124314
73464031034165
oct576117444726
9156348004511
1051292031446
111a831018437
129b3572069a
134ab5647986
1426a81793dc
15150300de31
hexbf13e49d6

51292031446 has 16 divisors (see below), whose sum is σ = 78901099200. Its totient is φ = 24996193920.

The previous prime is 51292031443. The next prime is 51292031467. The reversal of 51292031446 is 64413029215.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51292031443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1109421 + ... + 1154728.

It is an arithmetic number, because the mean of its divisors is an integer number (4931318700).

Almost surely, 251292031446 is an apocalyptic number.

51292031446 is a deficient number, since it is larger than the sum of its proper divisors (27609067754).

51292031446 is a wasteful number, since it uses less digits than its factorization.

51292031446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2264439.

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 51292031446 in words is "fifty-one billion, two hundred ninety-two million, thirty-one thousand, four hundred forty-six".

Divisors: 1 2 47 94 241 482 11327 22654 2264149 4528298 106415003 212830006 545659909 1091319818 25646015723 51292031446