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30528942339 = 372707537037
BaseRepresentation
bin11100011011101010…
…101011000100000011
32220210121120221212010
4130123222223010003
51000010402123324
622005205104003
72130351504540
oct343352530403
986717527763
1030528942339
1111a46879265
125b000b8003
132b56b4192c
1416987b5bc7
15bda2ac829
hex71baab103

30528942339 has 16 divisors (see below), whose sum is σ = 46537564928. Its totient is φ = 17438632992.

The previous prime is 30528942319. The next prime is 30528942377. The reversal of 30528942339 is 93324982503.

It is a happy number.

It is not a de Polignac number, because 30528942339 - 25 = 30528942307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30528942319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 211672 + ... + 325365.

It is an arithmetic number, because the mean of its divisors is an integer number (2908597808).

Almost surely, 230528942339 is an apocalyptic number.

30528942339 is a deficient number, since it is larger than the sum of its proper divisors (16008622589).

30528942339 is a wasteful number, since it uses less digits than its factorization.

30528942339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539754.

The product of its (nonzero) digits is 1399680, while the sum is 48.

The spelling of 30528942339 in words is "thirty billion, five hundred twenty-eight million, nine hundred forty-two thousand, three hundred thirty-nine".

Divisors: 1 3 7 21 2707 8121 18949 56847 537037 1611111 3759259 11277777 1453759159 4361277477 10176314113 30528942339