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1369826964 = 223511219613
BaseRepresentation
bin101000110100101…
…1110011010010100
310112110120102100000
41101221132122110
510301133430324
6343532051300
745642223422
oct12151363224
93473512300
101369826964
11643260300
12322903b30
1318aa45acc
14cdcda112
15803d49c9
hex51a5e694

1369826964 has 216 divisors, whose sum is σ = 4161495520. Its totient is φ = 392610240.

The previous prime is 1369826903. The next prime is 1369826989. The reversal of 1369826964 is 4696289631.

It is a super-2 number, since 2×13698269642 = 3752851822602914592, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

Its product of digits (3359232) is a multiple of the sum of its prime divisors (648).

It is a self number, because there is not a number n which added to its sum of digits gives 1369826964.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2234322 + ... + 2234934.

Almost surely, 21369826964 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1369826964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2080747760).

1369826964 is an abundant number, since it is smaller than the sum of its proper divisors (2791668556).

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

1369826964 is a wasteful number, since it uses less digits than its factorization.

1369826964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673 (or 648 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 54.

The square root of 1369826964 is about 37011.1735020656. The cubic root of 1369826964 is about 1110.5937801900.

The spelling of 1369826964 in words is "one billion, three hundred sixty-nine million, eight hundred twenty-six thousand, nine hundred sixty-four".