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30536891107 = 58752021961
BaseRepresentation
bin11100011100001000…
…111111101011100011
32220211011112210111221
4130130020333223203
51000014421003412
622010051315511
72130506202022
oct343410775343
986734483457
1030536891107
1111a50308298
125b028abb97
132b58695948
1416998848b9
15bdad2cb07
hex71c23fae3

30536891107 has 4 divisors (see below), whose sum is σ = 30588913656. Its totient is φ = 30484868560.

The previous prime is 30536891081. The next prime is 30536891129. The reversal of 30536891107 is 70119863503.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30536891107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30536891197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26010394 + ... + 26011567.

It is an arithmetic number, because the mean of its divisors is an integer number (7647228414).

Almost surely, 230536891107 is an apocalyptic number.

30536891107 is a deficient number, since it is larger than the sum of its proper divisors (52022549).

30536891107 is an equidigital number, since it uses as much as digits as its factorization.

30536891107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52022548.

The product of its (nonzero) digits is 136080, while the sum is 43.

The spelling of 30536891107 in words is "thirty billion, five hundred thirty-six million, eight hundred ninety-one thousand, one hundred seven".

Divisors: 1 587 52021961 30536891107