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13001312322 = 233240765043
BaseRepresentation
bin11000001101111000…
…00100100001000010
31020120002021002122000
430012330010201002
5203111313443242
65550035124430
7640120221435
oct140674044102
936502232560
1013001312322
1155719a1419
12262a143716
1312c274111b
148b49cb81c
15511610a4c
hex306f04842

13001312322 has 16 divisors (see below), whose sum is σ = 28891805280. Its totient is φ = 4333770756.

The previous prime is 13001312249. The next prime is 13001312333. The reversal of 13001312322 is 22321310031.

13001312322 is a `hidden beast` number, since 1 + 30 + 0 + 1 + 312 + 322 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 13001312295 and 13001312304.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120382468 + ... + 120382575.

It is an arithmetic number, because the mean of its divisors is an integer number (1805737830).

Almost surely, 213001312322 is an apocalyptic number.

13001312322 is an abundant number, since it is smaller than the sum of its proper divisors (15890492958).

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

13001312322 is a wasteful number, since it uses less digits than its factorization.

13001312322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240765054 (or 240765048 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 13001312322 its reverse (22321310031), we get a palindrome (35322622353).

The spelling of 13001312322 in words is "thirteen billion, one million, three hundred twelve thousand, three hundred twenty-two".

Divisors: 1 2 3 6 9 18 27 54 240765043 481530086 722295129 1444590258 2166885387 4333770774 6500656161 13001312322