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12974023070 = 251297402307
BaseRepresentation
bin11000001010100111…
…11110000110011110
31020111011220122210222
430011103332012132
5203032322214240
65543222201342
7636336243101
oct140523760636
936434818728
1012974023070
115558552618
122620b83252
1312b9ba7c38
148b1126738
1550e01eeb5
hex3054fe19e

12974023070 has 8 divisors (see below), whose sum is σ = 23353241544. Its totient is φ = 5189609224.

The previous prime is 12974023043. The next prime is 12974023079. The reversal of 12974023070 is 7032047921.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12974023070.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12974023079) 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, 648701144 + ... + 648701163.

It is an arithmetic number, because the mean of its divisors is an integer number (2919155193).

Almost surely, 212974023070 is an apocalyptic number.

12974023070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12974023070 is a deficient number, since it is larger than the sum of its proper divisors (10379218474).

12974023070 is a wasteful number, since it uses less digits than its factorization.

12974023070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1297402314.

The product of its (nonzero) digits is 21168, while the sum is 35.

The spelling of 12974023070 in words is "twelve billion, nine hundred seventy-four million, twenty-three thousand, seventy".

Divisors: 1 2 5 10 1297402307 2594804614 6487011535 12974023070