Search a number
-
+
9065869920 = 25345699527
BaseRepresentation
bin10000111000101111…
…00011001001100000
3212101211000220120000
420130113203021200
5122031330314140
64055333020000
7440442423432
oct103427431140
925354026500
109065869920
1139324a1288
121910184600
13b16303c93
14620080652
15380d8da30
hex21c5e3260

9065869920 has 120 divisors (see below), whose sum is σ = 31995011664. Its totient is φ = 2417561856.

The previous prime is 9065869909. The next prime is 9065869933. The reversal of 9065869920 is 299685609.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 336804 + ... + 362723.

Almost surely, 29065869920 is an apocalyptic number.

9065869920 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

9065869920 is an abundant number, since it is smaller than the sum of its proper divisors (22929141744).

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

9065869920 is a wasteful number, since it uses less digits than its factorization.

9065869920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699554 (or 699537 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 54.

The square root of 9065869920 is about 95214.8618651521. The cubic root of 9065869920 is about 2085.1461209120.

The spelling of 9065869920 in words is "nine billion, sixty-five million, eight hundred sixty-nine thousand, nine hundred twenty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 72 80 81 90 96 108 120 135 144 160 162 180 216 240 270 288 324 360 405 432 480 540 648 720 810 864 1080 1296 1440 1620 2160 2592 3240 4320 6480 12960 699527 1399054 2098581 2798108 3497635 4197162 5596216 6295743 6995270 8394324 10492905 11192432 12591486 13990540 16788648 18887229 20985810 22384864 25182972 27981080 31478715 33577296 37774458 41971620 50365944 55962160 56661687 62957430 67154592 75548916 83943240 94436145 100731888 111924320 113323374 125914860 151097832 167886480 188872290 201463776 226646748 251829720 283308435 302195664 335772960 377744580 453293496 503659440 566616870 604391328 755489160 906586992 1007318880 1133233740 1510978320 1813173984 2266467480 3021956640 4532934960 9065869920