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7157215073013 = 341211409674269
BaseRepresentation
bin110100000100110101101…
…0000110001001011110101
3221100020000121212011202020
41220021223100301023311
51414230434024314023
623115551302103353
71336043314223565
oct150115320611365
927306017764666
107157215073013
11230a3a3358655
12977148a1ab59
133cbbcb914955
141aa5a7d2ada5
15c629792cde3
hex6826b4312f5

7157215073013 has 32 divisors (see below), whose sum is σ = 9846068131200. Its totient is φ = 4621702579200.

The previous prime is 7157215072993. The next prime is 7157215073027. The reversal of 7157215073013 is 3103705127517.

It is not a de Polignac number, because 7157215073013 - 28 = 7157215072757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7157215073033) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10277643 + ... + 10951911.

It is an arithmetic number, because the mean of its divisors is an integer number (307689629100).

Almost surely, 27157215073013 is an apocalyptic number.

It is an amenable number.

7157215073013 is a deficient number, since it is larger than the sum of its proper divisors (2688853058187).

7157215073013 is a wasteful number, since it uses less digits than its factorization.

7157215073013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674933.

The product of its (nonzero) digits is 154350, while the sum is 42.

The spelling of 7157215073013 in words is "seven trillion, one hundred fifty-seven billion, two hundred fifteen million, seventy-three thousand, thirteen".

Divisors: 1 3 41 123 211 409 633 1227 8651 16769 25953 50307 86299 258897 674269 2022807 3538259 10614777 27645029 82935087 142270759 275776021 426812277 827328063 5833101119 11306816861 17499303357 33920450583 58188740431 174566221293 2385738357671 7157215073013