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30880279074 = 2319270879641
BaseRepresentation
bin11100110000100110…
…111010101000100010
32221201002200201020210
4130300212322220202
51001220322412244
622104115314550
72142146020101
oct346046725042
987632621223
1030880279074
11121071267a7
125b998aba56
132bb18753a8
1416cd310038
15c0b05c4b9
hex7309baa22

30880279074 has 16 divisors (see below), whose sum is σ = 65011114080. Its totient is φ = 9751667040.

The previous prime is 30880279057. The next prime is 30880279091. The reversal of 30880279074 is 47097208803.

It is an interprime number because it is at equal distance from previous prime (30880279057) and next prime (30880279091).

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, 135439707 + ... + 135439934.

It is an arithmetic number, because the mean of its divisors is an integer number (4063194630).

Almost surely, 230880279074 is an apocalyptic number.

30880279074 is an abundant number, since it is smaller than the sum of its proper divisors (34130835006).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30880279074 is a wasteful number, since it uses less digits than its factorization.

30880279074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270879665.

The product of its (nonzero) digits is 677376, while the sum is 48.

The spelling of 30880279074 in words is "thirty billion, eight hundred eighty million, two hundred seventy-nine thousand, seventy-four".

Divisors: 1 2 3 6 19 38 57 114 270879641 541759282 812638923 1625277846 5146713179 10293426358 15440139537 30880279074