Search a number
-
+
54486212975 = 522179448519
BaseRepresentation
bin110010101111101000…
…011010000101101111
312012122020102101212222
4302233220122011233
51343041432303400
641010340345555
73636135111605
oct625750320557
9165566371788
1054486212975
1121120057287
12a6873a52bb
1351a432a00c
1428cc48b875
15163d65d185
hexcafa1a16f

54486212975 has 6 divisors (see below), whose sum is σ = 67562904120. Its totient is φ = 43588970360.

The previous prime is 54486212939. The next prime is 54486212983. The reversal of 54486212975 is 57921268445.

It is not a de Polignac number, because 54486212975 - 234 = 37306343791 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1089724235 + ... + 1089724284.

It is an arithmetic number, because the mean of its divisors is an integer number (11260484020).

Almost surely, 254486212975 is an apocalyptic number.

54486212975 is a deficient number, since it is larger than the sum of its proper divisors (13076691145).

54486212975 is a wasteful number, since it uses less digits than its factorization.

54486212975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2179448529 (or 2179448524 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 53.

The spelling of 54486212975 in words is "fifty-four billion, four hundred eighty-six million, two hundred twelve thousand, nine hundred seventy-five".

Divisors: 1 5 25 2179448519 10897242595 54486212975