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30455301607 = 71023428809
BaseRepresentation
bin11100010111010001…
…110000010111100111
32220121111000121202121
4130113101300113213
5444333024122412
621554014450411
72125465535533
oct342721602747
986544017677
1030455301607
1111a09250955
125a9b503a07
132b447c9c33
14168cac6bc3
15bd3ab3107
hex7174705e7

30455301607 has 4 divisors (see below), whose sum is σ = 30455801440. Its totient is φ = 30454801776.

The previous prime is 30455301601. The next prime is 30455301619. The reversal of 30455301607 is 70610355403.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30455301607 - 23 = 30455301599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30455301601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143382 + ... + 285427.

It is an arithmetic number, because the mean of its divisors is an integer number (7613950360).

Almost surely, 230455301607 is an apocalyptic number.

30455301607 is a deficient number, since it is larger than the sum of its proper divisors (499833).

30455301607 is an equidigital number, since it uses as much as digits as its factorization.

30455301607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499832.

The product of its (nonzero) digits is 37800, while the sum is 34.

The spelling of 30455301607 in words is "thirty billion, four hundred fifty-five million, three hundred one thousand, six hundred seven".

Divisors: 1 71023 428809 30455301607