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30693307765775 = 521227732310631
BaseRepresentation
bin1101111101010010101111…
…01101001101010000001111
311000200020210101120102201012
412332221113231031100033
513010334343242001100
6145140151054435435
76315342531225614
oct676512755152017
9130606711512635
1030693307765775
119863a60074066
12353869a802b7b
13141849c28c985
147817c796a50b
1538360b5ac135
hex1bea57b4d40f

30693307765775 has 6 divisors (see below), whose sum is σ = 38059701629592. Its totient is φ = 24554646212600.

The previous prime is 30693307765727. The next prime is 30693307765781. The reversal of 30693307765775 is 57756770339603.

It is not a de Polignac number, because 30693307765775 - 222 = 30693303571471 is a prime.

It is a super-2 number, since 2×306933077657752 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 613866155291 + ... + 613866155340.

It is an arithmetic number, because the mean of its divisors is an integer number (6343283604932).

Almost surely, 230693307765775 is an apocalyptic number.

30693307765775 is a deficient number, since it is larger than the sum of its proper divisors (7366393863817).

30693307765775 is a wasteful number, since it uses less digits than its factorization.

30693307765775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1227732310641 (or 1227732310636 counting only the distinct ones).

The product of its (nonzero) digits is 525098700, while the sum is 68.

The spelling of 30693307765775 in words is "thirty trillion, six hundred ninety-three billion, three hundred seven million, seven hundred sixty-five thousand, seven hundred seventy-five".

Divisors: 1 5 25 1227732310631 6138661553155 30693307765775