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30129519076 = 22531327107099
BaseRepresentation
bin11100000011110110…
…111111100111100100
32212202210000011010221
4130003312333213210
5443201124102301
621501420054124
72114431454326
oct340366774744
985683004127
1030129519076
1111861367698
125a0a394344
132ac21729c7
14165b721616
15bb51aeda1
hex703dbf9e4

30129519076 has 24 divisors (see below), whose sum is σ = 53762486400. Its totient is φ = 14769242592.

The previous prime is 30129519071. The next prime is 30129519107. The reversal of 30129519076 is 67091592103.

It is not an unprimeable number, because it can be changed into a prime (30129519071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227775 + ... + 334873.

It is an arithmetic number, because the mean of its divisors is an integer number (2240103600).

Almost surely, 230129519076 is an apocalyptic number.

It is an amenable number.

30129519076 is a deficient number, since it is larger than the sum of its proper divisors (23632967324).

30129519076 is a wasteful number, since it uses less digits than its factorization.

30129519076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108483 (or 108481 counting only the distinct ones).

The product of its (nonzero) digits is 102060, while the sum is 43.

The spelling of 30129519076 in words is "thirty billion, one hundred twenty-nine million, five hundred nineteen thousand, seventy-six".

Divisors: 1 2 4 53 106 212 1327 2654 5308 70331 107099 140662 214198 281324 428396 5676247 11352494 22704988 142120373 284240746 568481492 7532379769 15064759538 30129519076