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813354901107 = 37193200679719
BaseRepresentation
bin10111101010111111011…
…10101101111001110011
32212202102002202000020120
423311133232231321303
5101311222323313412
61421352230141323
7112522456405530
oct13653756557163
92782362660216
10813354901107
11293a3a701651
12111772ab1843
135b911a2c318
142b51bcb5d87
1516255999b8c
hexbd5fbade73

813354901107 has 16 divisors (see below), whose sum is σ = 1245819701760. Its totient is φ = 462366070272.

The previous prime is 813354901033. The next prime is 813354901159. The reversal of 813354901107 is 701109453318.

It is not a de Polignac number, because 813354901107 - 214 = 813354884723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (813354901607) 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, 100335807 + ... + 100343912.

It is an arithmetic number, because the mean of its divisors is an integer number (77863731360).

Almost surely, 2813354901107 is an apocalyptic number.

813354901107 is a deficient number, since it is larger than the sum of its proper divisors (432464800653).

813354901107 is a wasteful number, since it uses less digits than its factorization.

813354901107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200679922.

The product of its (nonzero) digits is 90720, while the sum is 42.

The spelling of 813354901107 in words is "eight hundred thirteen billion, three hundred fifty-four million, nine hundred one thousand, one hundred seven".

Divisors: 1 3 7 21 193 579 1351 4053 200679719 602039157 1404758033 4214274099 38731185767 116193557301 271118300369 813354901107