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30808301914 = 2131184934689
BaseRepresentation
bin11100101100010100…
…010110000101011010
32221112002020220011001
4130230110112011122
51001043411130124
622053024455214
72140313150125
oct345424260532
987462226131
1030808301914
111207a535245
125b7977a50a
132b9c993960
1416c39353bc
15c04a90b44
hex72c51615a

30808301914 has 8 divisors (see below), whose sum is σ = 49767256980. Its totient is φ = 14219216256.

The previous prime is 30808301897. The next prime is 30808301939. The reversal of 30808301914 is 41910380803.

It can be written as a sum of positive squares in 2 ways, for example, as 27614130625 + 3194171289 = 166175^2 + 56517^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 592467319 + ... + 592467370.

Almost surely, 230808301914 is an apocalyptic number.

30808301914 is a deficient number, since it is larger than the sum of its proper divisors (18958955066).

30808301914 is a wasteful number, since it uses less digits than its factorization.

30808301914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1184934704.

The product of its (nonzero) digits is 20736, while the sum is 37.

The spelling of 30808301914 in words is "thirty billion, eight hundred eight million, three hundred one thousand, nine hundred fourteen".

Divisors: 1 2 13 26 1184934689 2369869378 15404150957 30808301914