Search a number
-
+
51352231125 = 3531310533791
BaseRepresentation
bin101111110100110101…
…001101110011010101
311220112211021122000010
4233310311031303111
51320132132344000
635331344310433
73465361522356
oct576465156325
9156484248003
1051352231125
111a861aa5338
129b51912419
134ac4c647a0
1426b2169d2d
151508450d50
hexbf4d4dcd5

51352231125 has 32 divisors (see below), whose sum is σ = 92023206912. Its totient is φ = 25281096000.

The previous prime is 51352231079. The next prime is 51352231127. The reversal of 51352231125 is 52113225315.

It is not a de Polignac number, because 51352231125 - 26 = 51352231061 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51352231092 and 51352231101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51352231127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5262021 + ... + 5271770.

It is an arithmetic number, because the mean of its divisors is an integer number (2875725216).

Almost surely, 251352231125 is an apocalyptic number.

It is an amenable number.

51352231125 is a deficient number, since it is larger than the sum of its proper divisors (40670975787).

51352231125 is a wasteful number, since it uses less digits than its factorization.

51352231125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10533822 (or 10533812 counting only the distinct ones).

The product of its digits is 9000, while the sum is 30.

The spelling of 51352231125 in words is "fifty-one billion, three hundred fifty-two million, two hundred thirty-one thousand, one hundred twenty-five".

Divisors: 1 3 5 13 15 25 39 65 75 125 195 325 375 975 1625 4875 10533791 31601373 52668955 136939283 158006865 263344775 410817849 684696415 790034325 1316723875 2054089245 3423482075 3950171625 10270446225 17117410375 51352231125