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30129513356 = 2294717874451
BaseRepresentation
bin11100000011110110…
…111110001110001100
32212202202222212022002
4130003312332032030
5443201123411411
621501420011432
72114431431545
oct340366761614
985682885262
1030129513356
1111861363368
125a0a390b78
132ac2170217
14165b71d4cc
15bb51ad33b
hex703dbe38c

30129513356 has 24 divisors (see below), whose sum is σ = 52823727936. Its totient is φ = 15037048400.

The previous prime is 30129513319. The next prime is 30129513383. The reversal of 30129513356 is 65331592103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6766931 + ... + 6771381.

It is an arithmetic number, because the mean of its divisors is an integer number (2200988664).

Almost surely, 230129513356 is an apocalyptic number.

It is an amenable number.

30129513356 is a deficient number, since it is larger than the sum of its proper divisors (22694214580).

30129513356 is a wasteful number, since it uses less digits than its factorization.

30129513356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7189 (or 7187 counting only the distinct ones).

The product of its (nonzero) digits is 72900, while the sum is 38.

The spelling of 30129513356 in words is "thirty billion, one hundred twenty-nine million, five hundred thirteen thousand, three hundred fifty-six".

Divisors: 1 2 4 947 1787 1894 3574 3788 4451 7148 8902 17804 1692289 3384578 4215097 6769156 7953937 8430194 15907874 16860388 31815748 7532378339 15064756678 30129513356