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30557752828 = 227639438207
BaseRepresentation
bin11100011101011000…
…100100110111111100
32220212121210200102021
4130131120210313330
51000040241042303
622012114405524
72131151420251
oct343530446774
986777720367
1030557752828
1111a61066a89
125b098908a4
132b5cabb365
14169c555428
15bdca9debd
hex71d624dfc

30557752828 has 6 divisors (see below), whose sum is σ = 53476067456. Its totient is φ = 15278876412.

The previous prime is 30557752817. The next prime is 30557752861. The reversal of 30557752828 is 82825775503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3819719100 + ... + 3819719107.

Almost surely, 230557752828 is an apocalyptic number.

It is an amenable number.

30557752828 is a deficient number, since it is larger than the sum of its proper divisors (22918314628).

30557752828 is a wasteful number, since it uses less digits than its factorization.

30557752828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7639438211 (or 7639438209 counting only the distinct ones).

The product of its (nonzero) digits is 4704000, while the sum is 52.

The spelling of 30557752828 in words is "thirty billion, five hundred fifty-seven million, seven hundred fifty-two thousand, eight hundred twenty-eight".

Divisors: 1 2 4 7639438207 15278876414 30557752828