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30211122995 = 5191572025553
BaseRepresentation
bin11100001000101110…
…010010011100110011
32212222110120001200022
4130020232102130303
5443333021413440
621513453114055
72116442210534
oct341056223463
985873501608
1030211122995
11118a3433949
125a3178892b
132b06045151
1416684c468b
15bbc42dcb5
hex708b92733

30211122995 has 16 divisors (see below), whose sum is σ = 38404503840. Its totient is φ = 22751000064.

The previous prime is 30211122989. The next prime is 30211123009. The reversal of 30211122995 is 59922111203.

It is not a de Polignac number, because 30211122995 - 24 = 30211122979 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 997862 + ... + 1027691.

It is an arithmetic number, because the mean of its divisors is an integer number (2400281490).

Almost surely, 230211122995 is an apocalyptic number.

30211122995 is a deficient number, since it is larger than the sum of its proper divisors (8193380845).

30211122995 is a wasteful number, since it uses less digits than its factorization.

30211122995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2025734.

The product of its (nonzero) digits is 9720, while the sum is 35.

The spelling of 30211122995 in words is "thirty billion, two hundred eleven million, one hundred twenty-two thousand, nine hundred ninety-five".

Divisors: 1 5 19 95 157 785 2983 14915 2025553 10127765 38485507 192427535 318011821 1590059105 6042224599 30211122995