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30315542158 = 2115153267413
BaseRepresentation
bin11100001110111100…
…100111011010001110
32220020202001002211201
4130032330213122032
5444041234322113
621532103140114
72122150566556
oct341674473216
986222032751
1030315542158
1111947373580
125a6074463a
132b21875235
141678306166
15bc66a7cdd
hex70ef2768e

30315542158 has 16 divisors (see below), whose sum is σ = 49617063216. Its totient is φ = 13777066240.

The previous prime is 30315542143. The next prime is 30315542189. The reversal of 30315542158 is 85124551303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20341 + ... + 247072.

It is an arithmetic number, because the mean of its divisors is an integer number (3101066451).

Almost surely, 230315542158 is an apocalyptic number.

30315542158 is a deficient number, since it is larger than the sum of its proper divisors (19301521058).

30315542158 is a wasteful number, since it uses less digits than its factorization.

30315542158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272579.

The product of its (nonzero) digits is 72000, while the sum is 37.

The spelling of 30315542158 in words is "thirty billion, three hundred fifteen million, five hundred forty-two thousand, one hundred fifty-eight".

Divisors: 1 2 11 22 5153 10306 56683 113366 267413 534826 2941543 5883086 1377979189 2755958378 15157771079 30315542158