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23685682469 is a prime number
BaseRepresentation
bin10110000011110001…
…101101010100100101
32021010200210100002212
4112003301231110211
5342002013314334
614514150213205
71465644656561
oct260361552445
967120710085
1023685682469
11a054a4a899
124710354205
132306157737
1412099ba6a1
15939604ece
hex583c6d525

23685682469 has 2 divisors, whose sum is σ = 23685682470. Its totient is φ = 23685682468.

The previous prime is 23685682379. The next prime is 23685682541. The reversal of 23685682469 is 96428658632.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21399886369 + 2285796100 = 146287^2 + 47810^2 .

It is a cyclic number.

It is not a de Polignac number, because 23685682469 - 228 = 23417247013 is a prime.

It is a super-2 number, since 2×236856824692 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23685685469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11842841234 + 11842841235.

It is an arithmetic number, because the mean of its divisors is an integer number (11842841235).

Almost surely, 223685682469 is an apocalyptic number.

It is an amenable number.

23685682469 is a deficient number, since it is larger than the sum of its proper divisors (1).

23685682469 is an equidigital number, since it uses as much as digits as its factorization.

23685682469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29859840, while the sum is 59.

The spelling of 23685682469 in words is "twenty-three billion, six hundred eighty-five million, six hundred eighty-two thousand, four hundred sixty-nine".