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31304060000 = 25541565203
BaseRepresentation
bin11101001001110111…
…100000110001100000
32222210122010000101122
4131021313200301200
51003102314410000
622214134351412
72155513056023
oct351167406140
988718100348
1031304060000
1112304364674
1260977bb568
132c4b5c2035
14172d7051ba
15c3336c085
hex749de0c60

31304060000 has 60 divisors (see below), whose sum is σ = 77012732412. Its totient is φ = 12521616000.

The previous prime is 31304059949. The next prime is 31304060009. The reversal of 31304060000 is 6040313.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31304060009) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 762602 + ... + 802601.

Almost surely, 231304060000 is an apocalyptic number.

It is an amenable number.

31304060000 is an abundant number, since it is smaller than the sum of its proper divisors (45708672412).

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

31304060000 is an equidigital number, since it uses as much as digits as its factorization.

31304060000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1565233 (or 1565210 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The spelling of 31304060000 in words is "thirty-one billion, three hundred four million, sixty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 160 200 250 400 500 625 800 1000 1250 2000 2500 4000 5000 10000 20000 1565203 3130406 6260812 7826015 12521624 15652030 25043248 31304060 39130075 50086496 62608120 78260150 125216240 156520300 195650375 250432480 313040600 391300750 626081200 782601500 978251875 1252162400 1565203000 1956503750 3130406000 3913007500 6260812000 7826015000 15652030000 31304060000