Search a number
-
+
54156355225 = 5272910671203
BaseRepresentation
bin110010011011111110…
…000110011010011001
312011210020201220010021
4302123332012122121
51341403011331400
640513514350441
73625021265320
oct623376063231
9164706656107
1054156355225
1120a7093a275
12a5b4a2b421
135150ba6c0b
14289a7450b7
15161e70271a
hexc9bf86699

54156355225 has 24 divisors (see below), whose sum is σ = 79393757760. Its totient is φ = 35855238720.

The previous prime is 54156355223. The next prime is 54156355259. The reversal of 54156355225 is 52255365145.

It is not a de Polignac number, because 54156355225 - 21 = 54156355223 is a prime.

It is a super-2 number, since 2×541563552252 (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (54156355223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5330527 + ... + 5340676.

It is an arithmetic number, because the mean of its divisors is an integer number (3308073240).

Almost surely, 254156355225 is an apocalyptic number.

It is an amenable number.

54156355225 is a deficient number, since it is larger than the sum of its proper divisors (25237402535).

54156355225 is a wasteful number, since it uses less digits than its factorization.

54156355225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10671249 (or 10671244 counting only the distinct ones).

The product of its digits is 900000, while the sum is 43.

The spelling of 54156355225 in words is "fifty-four billion, one hundred fifty-six million, three hundred fifty-five thousand, two hundred twenty-five".

Divisors: 1 5 7 25 29 35 145 175 203 725 1015 5075 10671203 53356015 74698421 266780075 309464887 373492105 1547324435 1867460525 2166254209 7736622175 10831271045 54156355225