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12973485182 = 2729311030787
BaseRepresentation
bin11000001010100011…
…11010110001111110
31020111010220022222012
430011101322301332
5203032203011212
65543202451222
7636331542650
oct140521726176
936433808865
1012973485182
115558215489
122620963b12
1312b9a4a168
148b10266d0
1550de65922
hex30547ac7e

12973485182 has 32 divisors (see below), whose sum is σ = 23749355520. Its totient is φ = 5195161440.

The previous prime is 12973485181. The next prime is 12973485191. The reversal of 12973485182 is 28158437921.

It is a super-2 number, since 2×129734851822 (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 12973485182.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12973485181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 502808 + ... + 527979.

It is an arithmetic number, because the mean of its divisors is an integer number (742167360).

Almost surely, 212973485182 is an apocalyptic number.

12973485182 is a deficient number, since it is larger than the sum of its proper divisors (10775870338).

12973485182 is a wasteful number, since it uses less digits than its factorization.

12973485182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1030856.

The product of its digits is 967680, while the sum is 50.

The spelling of 12973485182 in words is "twelve billion, nine hundred seventy-three million, four hundred eighty-five thousand, one hundred eighty-two".

Divisors: 1 2 7 14 29 31 58 62 203 217 406 434 899 1798 6293 12586 1030787 2061574 7215509 14431018 29892823 31954397 59785646 63908794 209249761 223680779 418499522 447361558 926677513 1853355026 6486742591 12973485182