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12313201000 = 235347261983
BaseRepresentation
bin10110111011110110…
…01000100101101000
31011210010110102100111
423131323020211220
5200204134413000
65353454344104
7614063324122
oct133573104550
934703412314
1012313201000
115249532181
1224777bb034
131213005169
1484b46a212
154c0edacba
hex2ddec8968

12313201000 has 64 divisors (see below), whose sum is σ = 29426042880. Its totient is φ = 4820468800.

The previous prime is 12313200967. The next prime is 12313201007. The reversal of 12313201000 is 10231321.

It is a super-2 number, since 2×123132010002 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12313201007) 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, 83992 + ... + 177991.

It is an arithmetic number, because the mean of its divisors is an integer number (459781920).

Almost surely, 212313201000 is an apocalyptic number.

12313201000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12313201000 is an abundant number, since it is smaller than the sum of its proper divisors (17112841880).

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

12313201000 is a wasteful number, since it uses less digits than its factorization.

12313201000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262051 (or 262037 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 12313201000 its reverse (10231321), we get a palindrome (12323432321).

The spelling of 12313201000 in words is "twelve billion, three hundred thirteen million, two hundred one thousand".

Divisors: 1 2 4 5 8 10 20 25 40 47 50 94 100 125 188 200 235 250 376 470 500 940 1000 1175 1880 2350 4700 5875 9400 11750 23500 47000 261983 523966 1047932 1309915 2095864 2619830 5239660 6549575 10479320 12313201 13099150 24626402 26198300 32747875 49252804 52396600 61566005 65495750 98505608 123132010 130991500 246264020 261983000 307830025 492528040 615660050 1231320100 1539150125 2462640200 3078300250 6156600500 12313201000