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13012320210 = 2353711722811
BaseRepresentation
bin11000001111001100…
…00011111111010010
31020120211222100121120
430013212003333102
5203122123221320
65551111103110
7640312616421
oct140746037722
936524870546
1013012320210
11557812a84a
122631971a96
1312c4ac6676
148b62552b8
15512587440
hex307983fd2

13012320210 has 32 divisors (see below), whose sum is σ = 32073613632. Its totient is φ = 3376169280.

The previous prime is 13012320199. The next prime is 13012320227. The reversal of 13012320210 is 1202321031.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 13012320210.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5860296 + ... + 5862515.

It is an arithmetic number, because the mean of its divisors is an integer number (1002300426).

Almost surely, 213012320210 is an apocalyptic number.

13012320210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13012320210 is an abundant number, since it is smaller than the sum of its proper divisors (19061293422).

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

13012320210 is a wasteful number, since it uses less digits than its factorization.

13012320210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11722858.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 13012320210 its reverse (1202321031), we get a palindrome (14214641241).

The spelling of 13012320210 in words is "thirteen billion, twelve million, three hundred twenty thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 37 74 111 185 222 370 555 1110 11722811 23445622 35168433 58614055 70336866 117228110 175842165 351684330 433744007 867488014 1301232021 2168720035 2602464042 4337440070 6506160105 13012320210