Search a number
-
+
86953434768 = 24331031195229
BaseRepresentation
bin101000011111011010…
…1000001111010010000
322022102221020011022000
41100332311001322100
52411040034403033
6103540145514000
76165534000114
oct1207665017220
9268387204260
1086953434768
1133970a46592
1214a28642900
1382798b5b65
1442cc453744
1523ddb8aa13
hex143ed41e90

86953434768 has 80 divisors (see below), whose sum is σ = 249831926400. Its totient is φ = 28956216960.

The previous prime is 86953434767. The next prime is 86953434851. The reversal of 86953434768 is 86743435968.

86953434768 is a `hidden beast` number, since 8 + 6 + 9 + 534 + 34 + 7 + 68 = 666.

It is not an unprimeable number, because it can be changed into a prime (86953434767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 347778 + ... + 543006.

It is an arithmetic number, because the mean of its divisors is an integer number (3122899080).

Almost surely, 286953434768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86953434768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124915963200).

86953434768 is an abundant number, since it is smaller than the sum of its proper divisors (162878491632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86953434768 is a wasteful number, since it uses less digits than its factorization.

86953434768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196277 (or 196265 counting only the distinct ones).

The product of its digits is 104509440, while the sum is 63.

The spelling of 86953434768 in words is "eighty-six billion, nine hundred fifty-three million, four hundred thirty-four thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 108 144 216 432 1031 2062 3093 4124 6186 8248 9279 12372 16496 18558 24744 27837 37116 49488 55674 74232 111348 148464 195229 222696 390458 445392 585687 780916 1171374 1561832 1757061 2342748 3123664 3514122 4685496 5271183 7028244 9370992 10542366 14056488 21084732 28112976 42169464 84338928 201281099 402562198 603843297 805124396 1207686594 1610248792 1811529891 2415373188 3220497584 3623059782 4830746376 5434589673 7246119564 9661492752 10869179346 14492239128 21738358692 28984478256 43476717384 86953434768