Search a number
-
+
897643799195 = 5112132910736781
BaseRepresentation
bin11010000111111111011…
…11010110001010011011
310011210222100011200100212
431003333233112022123
5104201333303033240
61524212153521335
7121565310254303
oct15037757261233
93153870150325
10897643799195
11316763583300
12125b7711324b
1366855597350
14316364c8603
151853a758165
hexd0ffbd629b

897643799195 has 96 divisors (see below), whose sum is σ = 1331408352960. Its totient is φ = 576380851200.

The previous prime is 897643799167. The next prime is 897643799203. The reversal of 897643799195 is 591997346798.

It is not a de Polignac number, because 897643799195 - 216 = 897643733659 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 24386705 + ... + 24423485.

It is an arithmetic number, because the mean of its divisors is an integer number (13868837010).

Almost surely, 2897643799195 is an apocalyptic number.

897643799195 is a deficient number, since it is larger than the sum of its proper divisors (433764553765).

897643799195 is a wasteful number, since it uses less digits than its factorization.

897643799195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36957 (or 36946 counting only the distinct ones).

The product of its digits is 925888320, while the sum is 77.

The spelling of 897643799195 in words is "eight hundred ninety-seven billion, six hundred forty-three million, seven hundred ninety-nine thousand, one hundred ninety-five".

Divisors: 1 5 11 13 29 55 65 107 121 143 145 319 377 535 605 715 1177 1391 1573 1595 1885 3103 3509 4147 5885 6955 7865 12947 15301 15515 17545 20735 34133 36781 40339 45617 64735 76505 168311 170665 183905 201695 228085 375463 404591 443729 478153 841555 1066649 1877315 2022955 2218645 2390765 3935567 4450501 4881019 5259683 5333245 11733139 13866437 19677835 22252505 24405095 26298415 43291237 51162371 57856513 58665695 69332185 114131443 129064529 152530807 216456185 255811855 289282565 476203607 562786081 570657215 645322645 762654035 1255445873 1483708759 1677838877 2381018035 2813930405 6190646891 6277229365 7418543795 8389194385 13809904603 16320796349 30953234455 69049523015 81603981745 179528759839 897643799195