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30235951672 = 2334631091393
BaseRepresentation
bin11100001010001101…
…000000001000111000
32220001012021111012221
4130022031000020320
5443410400423142
621520141213424
72120163230413
oct341215001070
986035244187
1030235951672
1111906452013
125a39b61274
132b0b229384
14166b908b7a
15bbe6d5767
hex70a340238

30235951672 has 16 divisors (see below), whose sum is σ = 56708832240. Its totient is φ = 15113596416.

The previous prime is 30235951657. The next prime is 30235951673. The reversal of 30235951672 is 27615953203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30235951673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 517993 + ... + 573400.

It is an arithmetic number, because the mean of its divisors is an integer number (3544302015).

Almost surely, 230235951672 is an apocalyptic number.

It is an amenable number.

30235951672 is a deficient number, since it is larger than the sum of its proper divisors (26472880568).

30235951672 is a wasteful number, since it uses less digits than its factorization.

30235951672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1094862 (or 1094858 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 43.

The spelling of 30235951672 in words is "thirty billion, two hundred thirty-five million, nine hundred fifty-one thousand, six hundred seventy-two".

Divisors: 1 2 4 8 3463 6926 13852 27704 1091393 2182786 4365572 8731144 3779493959 7558987918 15117975836 30235951672