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30456216572 = 227614054143
BaseRepresentation
bin11100010111010101…
…001111101111111100
32220121112202002212012
4130113111033233330
5444333242412242
621554050230352
72125506366215
oct342725175774
986545662765
1030456216572
1111a09816321
125a9b8853b8
132b44a5a532
14168cc8440c
15bd3be4282
hex71754fbfc

30456216572 has 6 divisors (see below), whose sum is σ = 53298379008. Its totient is φ = 15228108284.

The previous prime is 30456216559. The next prime is 30456216589. The reversal of 30456216572 is 27561265403.

It is a super-2 number, since 2×304562165722 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3807027068 + ... + 3807027075.

It is an arithmetic number, because the mean of its divisors is an integer number (8883063168).

Almost surely, 230456216572 is an apocalyptic number.

It is an amenable number.

30456216572 is a deficient number, since it is larger than the sum of its proper divisors (22842162436).

30456216572 is a wasteful number, since it uses less digits than its factorization.

30456216572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7614054147 (or 7614054145 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 41.

The spelling of 30456216572 in words is "thirty billion, four hundred fifty-six million, two hundred sixteen thousand, five hundred seventy-two".

Divisors: 1 2 4 7614054143 15228108286 30456216572