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30725073315 = 325682779407
BaseRepresentation
bin11100100111010110…
…110110100110100011
32221022021122102222100
4130213112312212203
51000411104321230
622040452541443
72135252546136
oct344726664643
987267572870
1030725073315
1112037559382
125b55921883
132b88672b71
1416b686c21d
15bec600660
hex7275b69a3

30725073315 has 12 divisors (see below), whose sum is σ = 53256793824. Its totient is φ = 16386705744.

The previous prime is 30725073311. The next prime is 30725073331. The reversal of 30725073315 is 51337052703.

30725073315 is a `hidden beast` number, since 307 + 250 + 73 + 31 + 5 = 666.

It is not a de Polignac number, because 30725073315 - 22 = 30725073311 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30725073315.

It is not an unprimeable number, because it can be changed into a prime (30725073311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 341389659 + ... + 341389748.

It is an arithmetic number, because the mean of its divisors is an integer number (4438066152).

Almost surely, 230725073315 is an apocalyptic number.

30725073315 is a deficient number, since it is larger than the sum of its proper divisors (22531720509).

30725073315 is a wasteful number, since it uses less digits than its factorization.

30725073315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682779418 (or 682779415 counting only the distinct ones).

The product of its (nonzero) digits is 66150, while the sum is 36.

The spelling of 30725073315 in words is "thirty billion, seven hundred twenty-five million, seventy-three thousand, three hundred fifteen".

Divisors: 1 3 5 9 15 45 682779407 2048338221 3413897035 6145014663 10241691105 30725073315