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30232815886 = 2713672479319
BaseRepresentation
bin11100001010000001…
…000010100100001110
32220000222101011201201
4130022001002210032
5443404100102021
621515550100114
72120124460240
oct341201024416
986028334651
1030232815886
1111904700059
125a38aaa63a
132b0a69bc90
14166b330090
15bbe2b6591
hex70a04290e

30232815886 has 32 divisors (see below), whose sum is σ = 56647503360. Its totient is φ = 11781719136.

The previous prime is 30232815883. The next prime is 30232815889. The reversal of 30232815886 is 68851823203.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (30232815883) and next prime (30232815889).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30232815881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1227466 + ... + 1251853.

It is an arithmetic number, because the mean of its divisors is an integer number (1770234480).

Almost surely, 230232815886 is an apocalyptic number.

30232815886 is a deficient number, since it is larger than the sum of its proper divisors (26414687474).

30232815886 is a wasteful number, since it uses less digits than its factorization.

30232815886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2479408.

The product of its (nonzero) digits is 552960, while the sum is 46.

The spelling of 30232815886 in words is "thirty billion, two hundred thirty-two million, eight hundred fifteen thousand, eight hundred eighty-six".

Divisors: 1 2 7 13 14 26 67 91 134 182 469 871 938 1742 6097 12194 2479319 4958638 17355233 32231147 34710466 64462294 166114373 225618029 332228746 451236058 1162800611 2159486849 2325601222 4318973698 15116407943 30232815886