Search a number
-
+
30624131056 = 2414947128053
BaseRepresentation
bin11100100001010101…
…110010011111110000
32221001020201001020011
4130201111302133300
51000204234143211
622022445224304
72132615550631
oct344125623760
987036631204
1030624131056
1111a95583a22
125b27b62094
132b7078c50c
1416a72b3888
15be3811921
hex7215727f0

30624131056 has 20 divisors (see below), whose sum is σ = 59338686952. Its totient is φ = 15310921536.

The previous prime is 30624131053. The next prime is 30624131101. The reversal of 30624131056 is 65013142603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30624131053) 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, 175126 + ... + 303178.

Almost surely, 230624131056 is an apocalyptic number.

It is an amenable number.

30624131056 is a deficient number, since it is larger than the sum of its proper divisors (28714555896).

30624131056 is a wasteful number, since it uses less digits than its factorization.

30624131056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143008 (or 143002 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

Adding to 30624131056 its reverse (65013142603), we get a palindrome (95637273659).

The spelling of 30624131056 in words is "thirty billion, six hundred twenty-four million, one hundred thirty-one thousand, fifty-six".

Divisors: 1 2 4 8 16 14947 29894 59788 119576 128053 239152 256106 512212 1024424 2048848 1914008191 3828016382 7656032764 15312065528 30624131056