Search a number
-
+
51141540451 = 232351945787
BaseRepresentation
bin101111101000010001…
…011111101001100011
311220000010211102201211
4233220101133221203
51314214213243301
635254420410551
73460222631011
oct575021375143
9156003742654
1051141540451
111a764080311
129ab3246a57
134a90406451
1426921a38b1
1514e4bd4051
hexbe845fa63

51141540451 has 8 divisors (see below), whose sum is σ = 53387841024. Its totient is φ = 48897136200.

The previous prime is 51141540433. The next prime is 51141540473. The reversal of 51141540451 is 15404514115.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-51141540451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51141540491) 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, 418821 + ... + 526966.

It is an arithmetic number, because the mean of its divisors is an integer number (6673480128).

Almost surely, 251141540451 is an apocalyptic number.

51141540451 is a deficient number, since it is larger than the sum of its proper divisors (2246300573).

51141540451 is a wasteful number, since it uses less digits than its factorization.

51141540451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 948161.

The product of its (nonzero) digits is 8000, while the sum is 31.

The spelling of 51141540451 in words is "fifty-one billion, one hundred forty-one million, five hundred forty thousand, four hundred fifty-one".

Divisors: 1 23 2351 54073 945787 21753101 2223545237 51141540451