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23428969365 = 356125605431
BaseRepresentation
bin10101110100011110…
…011011001110010101
32020110210201221221010
4111310132123032111
5340440304004430
614432500042433
71456406645064
oct256436331625
966423657833
1023428969365
119a330514aa
12465a393419
132294c045a9
1411c38741db
15921ce6cb0
hex57479b395

23428969365 has 16 divisors (see below), whose sum is σ = 38100882816. Its totient is φ = 12290606400.

The previous prime is 23428969321. The next prime is 23428969391. The reversal of 23428969365 is 56396982432.

It is a happy number.

It is not a de Polignac number, because 23428969365 - 212 = 23428965269 is a prime.

It is a super-2 number, since 2×234289693652 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 12801801 + ... + 12803630.

It is an arithmetic number, because the mean of its divisors is an integer number (2381305176).

Almost surely, 223428969365 is an apocalyptic number.

It is an amenable number.

23428969365 is a deficient number, since it is larger than the sum of its proper divisors (14671913451).

23428969365 is a wasteful number, since it uses less digits than its factorization.

23428969365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25605500.

The product of its digits is 16796160, while the sum is 57.

The spelling of 23428969365 in words is "twenty-three billion, four hundred twenty-eight million, nine hundred sixty-nine thousand, three hundred sixty-five".

Divisors: 1 3 5 15 61 183 305 915 25605431 76816293 128027155 384081465 1561931291 4685793873 7809656455 23428969365