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12884224525 = 522322407347
BaseRepresentation
bin10111111111111010…
…11010101000001101
31020020220221102100221
423333331122220031
5202341330141100
65530253351341
7634166046544
oct137775325015
936226842327
1012884224525
115511899647
1225b6a98551
1312a43c68c3
148a322d15b
155061d301a
hex2fff5aa0d

12884224525 has 12 divisors (see below), whose sum is σ = 16671066912. Its totient is φ = 9859232240.

The previous prime is 12884224519. The next prime is 12884224531. The reversal of 12884224525 is 52542248821.

It is an interprime number because it is at equal distance from previous prime (12884224519) and next prime (12884224531).

It is not a de Polignac number, because 12884224525 - 23 = 12884224517 is a prime.

It is a super-2 number, since 2×128842245252 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11203099 + ... + 11204248.

It is an arithmetic number, because the mean of its divisors is an integer number (1389255576).

Almost surely, 212884224525 is an apocalyptic number.

It is an amenable number.

12884224525 is a deficient number, since it is larger than the sum of its proper divisors (3786842387).

12884224525 is a wasteful number, since it uses less digits than its factorization.

12884224525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22407380 (or 22407375 counting only the distinct ones).

The product of its digits is 409600, while the sum is 43.

The spelling of 12884224525 in words is "twelve billion, eight hundred eighty-four million, two hundred twenty-four thousand, five hundred twenty-five".

Divisors: 1 5 23 25 115 575 22407347 112036735 515368981 560183675 2576844905 12884224525