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30155632496 = 2411171338821
BaseRepresentation
bin11100000101011010…
…100110111101110000
32212211121010212000122
4130011122212331300
5443224320214441
621504151505412
72115166434623
oct340532467560
985747125018
1030155632496
1111875083030
125a17088268
132ac76b6932
141660d9bdba
15bb761c34b
hex7056a6f70

30155632496 has 20 divisors (see below), whose sum is σ = 63738041784. Its totient is φ = 13707105600.

The previous prime is 30155632477. The next prime is 30155632499. The reversal of 30155632496 is 69423655103.

It is a super-2 number, since 2×301556324962 (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30155632499) 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, 85669235 + ... + 85669586.

Almost surely, 230155632496 is an apocalyptic number.

It is an amenable number.

30155632496 is an abundant number, since it is smaller than the sum of its proper divisors (33582409288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30155632496 is a wasteful number, since it uses less digits than its factorization.

30155632496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171338840 (or 171338834 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 44.

The spelling of 30155632496 in words is "thirty billion, one hundred fifty-five million, six hundred thirty-two thousand, four hundred ninety-six".

Divisors: 1 2 4 8 11 16 22 44 88 176 171338821 342677642 685355284 1370710568 1884727031 2741421136 3769454062 7538908124 15077816248 30155632496