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30725164003 = 191306152553
BaseRepresentation
bin11100100111010111…
…001100101111100011
32221022021211001101011
4130213113030233203
51000411120222003
622040454521351
72135253404422
oct344727145743
987267731334
1030725164003
1112037610526
125b55966257
132b886a5221
1416b68932b9
15bec61c46d
hex7275ccbe3

30725164003 has 8 divisors (see below), whose sum is σ = 30896706816. Its totient is φ = 30553732800.

The previous prime is 30725163913. The next prime is 30725164021. The reversal of 30725164003 is 30046152703.

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

It is a cyclic number.

It is not a de Polignac number, because 30725164003 - 221 = 30723066851 is a prime.

It is a super-2 number, since 2×307251640032 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30725162003) 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, 558375 + ... + 610927.

It is an arithmetic number, because the mean of its divisors is an integer number (3862088352).

Almost surely, 230725164003 is an apocalyptic number.

30725164003 is a deficient number, since it is larger than the sum of its proper divisors (171542813).

30725164003 is a wasteful number, since it uses less digits than its factorization.

30725164003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55805.

The product of its (nonzero) digits is 15120, while the sum is 31.

The spelling of 30725164003 in words is "thirty billion, seven hundred twenty-five million, one hundred sixty-four thousand, three".

Divisors: 1 191 3061 52553 584651 10037623 160864733 30725164003