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30777628074 = 2319149675407
BaseRepresentation
bin11100101010011111…
…010101010110101010
32221102221112111112220
4130222133111112222
51001013033044244
622050011214510
72136461344044
oct345237252652
987387474486
1030777628074
1112064194566
125b6b447436
132b9651405b
1416bd82ca94
15c02032319
hex72a7d55aa

30777628074 has 32 divisors (see below), whose sum is σ = 61901438976. Its totient is φ = 10201554480.

The previous prime is 30777627977. The next prime is 30777628111. The reversal of 30777628074 is 47082677703.

It is a super-2 number, since 2×307776280742 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5689479 + ... + 5694885.

It is an arithmetic number, because the mean of its divisors is an integer number (1934419968).

Almost surely, 230777628074 is an apocalyptic number.

30777628074 is an abundant number, since it is smaller than the sum of its proper divisors (31123810902).

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

30777628074 is a wasteful number, since it uses less digits than its factorization.

30777628074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10570.

The product of its (nonzero) digits is 2765952, while the sum is 51.

The spelling of 30777628074 in words is "thirty billion, seven hundred seventy-seven million, six hundred twenty-eight thousand, seventy-four".

Divisors: 1 2 3 6 191 382 573 1146 4967 5407 9934 10814 14901 16221 29802 32442 948697 1032737 1897394 2065474 2846091 3098211 5692182 6196422 26856569 53713138 80569707 161139414 5129604679 10259209358 15388814037 30777628074