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30820924402 = 260732537537
BaseRepresentation
bin11100101101000100…
…011111101111110010
32221112222000011221121
4130231010133233302
51001110124040102
622054155212454
72140525351312
oct345504375762
987488004847
1030820924402
1112086676754
125b81a4712a
132ba2493098
1416c549d442
15c05c35b37
hex72d11fbf2

30820924402 has 8 divisors (see below), whose sum is σ = 46239017436. Its totient is φ = 15407918592.

The previous prime is 30820924307. The next prime is 30820924441. The reversal of 30820924402 is 20442902803.

It can be written as a sum of positive squares in 2 ways, for example, as 30659659801 + 161264601 = 175099^2 + 12699^2 .

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, 1256623 + ... + 1280914.

Almost surely, 230820924402 is an apocalyptic number.

30820924402 is a deficient number, since it is larger than the sum of its proper divisors (15418093034).

30820924402 is a wasteful number, since it uses less digits than its factorization.

30820924402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2543612.

The product of its (nonzero) digits is 27648, while the sum is 34.

The spelling of 30820924402 in words is "thirty billion, eight hundred twenty million, nine hundred twenty-four thousand, four hundred two".

Divisors: 1 2 6073 12146 2537537 5075074 15410462201 30820924402