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30620135434 = 274441492491
BaseRepresentation
bin11100100001000110…
…100011000000001010
32221000222012001021011
4130201012203000022
51000202223313214
622022223434134
72132536566610
oct344106430012
987028161234
1030620135434
1111a932a4a59
125b2675594a
132b6c9c0945
1416a69536b0
15be32c2ac4
hex7211a300a

30620135434 has 16 divisors (see below), whose sum is σ = 52503587136. Its totient is φ = 13119933600.

The previous prime is 30620135407. The next prime is 30620135437. The reversal of 30620135434 is 43453102603.

It is a junction number, because it is equal to n+sod(n) for n = 30620135396 and 30620135405.

It is not an unprimeable number, because it can be changed into a prime (30620135437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184072 + ... + 308419.

It is an arithmetic number, because the mean of its divisors is an integer number (3281474196).

Almost surely, 230620135434 is an apocalyptic number.

30620135434 is a deficient number, since it is larger than the sum of its proper divisors (21883451702).

30620135434 is a wasteful number, since it uses less digits than its factorization.

30620135434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496941.

The product of its (nonzero) digits is 25920, while the sum is 31.

The spelling of 30620135434 in words is "thirty billion, six hundred twenty million, one hundred thirty-five thousand, four hundred thirty-four".

Divisors: 1 2 7 14 4441 8882 31087 62174 492491 984982 3447437 6894874 2187152531 4374305062 15310067717 30620135434