Search a number
-
+
51542033124 = 2234295169427
BaseRepresentation
bin110000000000001001…
…010000001011100100
311221001001102120101210
4300000021100023210
51321024230024444
635402244351420
73503155024101
oct600011201344
9157031376353
1051542033124
111a94a15239a
129ba53a5570
134b2538b06a
1426cd455aa8
151519e437b9
hexc002502e4

51542033124 has 12 divisors (see below), whose sum is σ = 120264743984. Its totient is φ = 17180677704.

The previous prime is 51542033089. The next prime is 51542033129. The reversal of 51542033124 is 42133024515.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 51542033091 and 51542033100.

It is not an unprimeable number, because it can be changed into a prime (51542033129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2147584702 + ... + 2147584725.

Almost surely, 251542033124 is an apocalyptic number.

It is an amenable number.

51542033124 is an abundant number, since it is smaller than the sum of its proper divisors (68722710860).

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

51542033124 is a wasteful number, since it uses less digits than its factorization.

51542033124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4295169434 (or 4295169432 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 51542033124 its reverse (42133024515), we get a palindrome (93675057639).

The spelling of 51542033124 in words is "fifty-one billion, five hundred forty-two million, thirty-three thousand, one hundred twenty-four".

Divisors: 1 2 3 4 6 12 4295169427 8590338854 12885508281 17180677708 25771016562 51542033124