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12213792955 = 571355748193
BaseRepresentation
bin10110101111111111…
…11011000010111011
31011112012101222011001
423113333323002323
5200003212333310
65335543545431
7611445345550
oct132777730273
934465358131
1012213792955
1151a8405471
12244a45b277
1311c853ac30
1483c190a27
154b740193a
hex2d7ffb0bb

12213792955 has 32 divisors (see below), whose sum is σ = 18071593344. Its totient is φ = 7716888576.

The previous prime is 12213792947. The next prime is 12213792967. The reversal of 12213792955 is 55929731221.

It is a cyclic number.

It is not a de Polignac number, because 12213792955 - 23 = 12213792947 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 229339 + ... + 277531.

It is an arithmetic number, because the mean of its divisors is an integer number (564737292).

Almost surely, 212213792955 is an apocalyptic number.

12213792955 is a deficient number, since it is larger than the sum of its proper divisors (5857800389).

12213792955 is a wasteful number, since it uses less digits than its factorization.

12213792955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48775.

The product of its digits is 340200, while the sum is 46.

The spelling of 12213792955 in words is "twelve billion, two hundred thirteen million, seven hundred ninety-two thousand, nine hundred fifty-five".

Divisors: 1 5 7 13 35 65 91 455 557 2785 3899 7241 19495 36205 48193 50687 240965 253435 337351 626509 1686755 3132545 4385563 21927815 26843501 134217505 187904507 348965513 939522535 1744827565 2442758591 12213792955