Search a number
-
+
10772801568 = 2532314725673
BaseRepresentation
bin10100000100001101…
…11110100000100000
31000210202221000120200
422002012332200200
5134030314122233
64540550305200
7530650205514
oct120206764040
930722830520
1010772801568
114628a692a1
122107958200
131028b395c9
14742a4c144
15430b61313
hex2821be820

10772801568 has 144 divisors (see below), whose sum is σ = 32297481216. Its totient is φ = 3401026560.

The previous prime is 10772801549. The next prime is 10772801569. The reversal of 10772801568 is 86510827701.

It is a happy number.

10772801568 is a `hidden beast` number, since 1 + 0 + 7 + 7 + 2 + 80 + 1 + 568 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is not an unprimeable number, because it can be changed into a prime (10772801569) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 406780 + ... + 432452.

It is an arithmetic number, because the mean of its divisors is an integer number (224288064).

Almost surely, 210772801568 is an apocalyptic number.

10772801568 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10772801568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16148740608).

10772801568 is an abundant number, since it is smaller than the sum of its proper divisors (21524679648).

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

10772801568 is a wasteful number, since it uses less digits than its factorization.

10772801568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25767 (or 25756 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 45.

The spelling of 10772801568 in words is "ten billion, seven hundred seventy-two million, eight hundred one thousand, five hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 31 32 36 47 48 62 72 93 94 96 124 141 144 186 188 248 279 282 288 372 376 423 496 558 564 744 752 846 992 1116 1128 1457 1488 1504 1692 2232 2256 2914 2976 3384 4371 4464 4512 5828 6768 8742 8928 11656 13113 13536 17484 23312 25673 26226 34968 46624 51346 52452 69936 77019 102692 104904 139872 154038 205384 209808 231057 308076 410768 419616 462114 616152 795863 821536 924228 1206631 1232304 1591726 1848456 2387589 2413262 2464608 3183452 3619893 3696912 4775178 4826524 6366904 7162767 7239786 7393824 9550356 9653048 10859679 12733808 14325534 14479572 19100712 19306096 21719358 25467616 28651068 28959144 37405561 38201424 38612192 43438716 57302136 57918288 74811122 76402848 86877432 112216683 114604272 115836576 149622244 173754864 224433366 229208544 299244488 336650049 347509728 448866732 598488976 673300098 897733464 1196977952 1346600196 1795466928 2693200392 3590933856 5386400784 10772801568