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30571301712 = 243790986017
BaseRepresentation
bin11100011110001100…
…010000101101010000
32220220120022000222210
4130132030100231100
51000102223123322
622013321032120
72131404530340
oct343614205520
986816260883
1030571301712
1111a68780506
125b12325640
132b62853353
1416a0280d20
15bddd7870c
hex71e310b50

30571301712 has 40 divisors (see below), whose sum is σ = 90258129856. Its totient is φ = 8734657536.

The previous prime is 30571301699. The next prime is 30571301749. The reversal of 30571301712 is 21710317503.

It is a super-2 number, since 2×305713017122 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30571301712.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45492673 + ... + 45493344.

Almost surely, 230571301712 is an apocalyptic number.

It is an amenable number.

30571301712 is an abundant number, since it is smaller than the sum of its proper divisors (59686828144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30571301712 is a wasteful number, since it uses less digits than its factorization.

30571301712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90986035 (or 90986029 counting only the distinct ones).

The product of its (nonzero) digits is 4410, while the sum is 30.

The spelling of 30571301712 in words is "thirty billion, five hundred seventy-one million, three hundred one thousand, seven hundred twelve".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 112 168 336 90986017 181972034 272958051 363944068 545916102 636902119 727888136 1091832204 1273804238 1455776272 1910706357 2183664408 2547608476 3821412714 4367328816 5095216952 7642825428 10190433904 15285650856 30571301712