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30149851406 = 215074925703
BaseRepresentation
bin11100000101000100…
…100011100100001110
32212211012021010212012
4130011010203210032
5443221330221111
621503423541222
72115066336263
oct340504434416
985735233765
1030149851406
1111871894674
125a1515a812
132ac644147c
1416602d526a
15bb6d7948b
hex70512390e

30149851406 has 4 divisors (see below), whose sum is σ = 45224777112. Its totient is φ = 15074925702.

The previous prime is 30149851387. The next prime is 30149851411. The reversal of 30149851406 is 60415894103.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7537462850 + ... + 7537462853.

It is an arithmetic number, because the mean of its divisors is an integer number (11306194278).

Almost surely, 230149851406 is an apocalyptic number.

30149851406 is a deficient number, since it is larger than the sum of its proper divisors (15074925706).

30149851406 is a wasteful number, since it uses less digits than its factorization.

30149851406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15074925705.

The product of its (nonzero) digits is 103680, while the sum is 41.

The spelling of 30149851406 in words is "thirty billion, one hundred forty-nine million, eight hundred fifty-one thousand, four hundred six".

Divisors: 1 2 15074925703 30149851406