Search a number
-
+
872151514293 = 31512836803107
BaseRepresentation
bin11001011000100000100…
…01111111110010110101
310002101011201221102121210
430230100101333302311
5103242131241424133
61504354425432033
7120003504361053
oct14542021776265
93071151842553
10872151514293
1130697187a354
1212104193b619
136432207a5b7
14302d89d71d3
1517a47743763
hexcb1047fcb5

872151514293 has 16 divisors (see below), whose sum is σ = 1174706264576. Its totient is φ = 575542767600.

The previous prime is 872151514279. The next prime is 872151514303. The reversal of 872151514293 is 392415151278.

It is a happy number.

It is not a de Polignac number, because 872151514293 - 26 = 872151514229 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (872151513293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3273355 + ... + 3529752.

It is an arithmetic number, because the mean of its divisors is an integer number (73419141536).

Almost surely, 2872151514293 is an apocalyptic number.

It is an amenable number.

872151514293 is a deficient number, since it is larger than the sum of its proper divisors (302554750283).

872151514293 is a wasteful number, since it uses less digits than its factorization.

872151514293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6803544.

The product of its digits is 604800, while the sum is 48.

The spelling of 872151514293 in words is "eight hundred seventy-two billion, one hundred fifty-one million, five hundred fourteen thousand, two hundred ninety-three".

Divisors: 1 3 151 283 453 849 42733 128199 6803107 20409321 1027269157 1925279281 3081807471 5775837843 290717171431 872151514293