Search a number
-
+
2136338280 = 233351978091
BaseRepresentation
bin111111101010101…
…1110111101101000
312111212220020012000
41333111132331220
513333400311110
6551553051000
7103640401326
oct17725367550
95455806160
102136338280
119a69a862a
124b7556a60
132807a1abb
14163a28d16
15c78441c0
hex7f55ef68

2136338280 has 64 divisors (see below), whose sum is σ = 7121131200. Its totient is φ = 569689920.

The previous prime is 2136338263. The next prime is 2136338293. The reversal of 2136338280 is 828336312.

2136338280 is a `hidden beast` number, since 2 + 13 + 633 + 8 + 2 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 987966 + ... + 990125.

It is an arithmetic number, because the mean of its divisors is an integer number (111267675).

Almost surely, 22136338280 is an apocalyptic number.

2136338280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2136338280 is an abundant number, since it is smaller than the sum of its proper divisors (4984792920).

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

2136338280 is a wasteful number, since it uses less digits than its factorization.

2136338280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1978111 (or 1978101 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 2136338280 is about 46220.5395901000. The cubic root of 2136338280 is about 1287.9233217601.

The spelling of 2136338280 in words is "two billion, one hundred thirty-six million, three hundred thirty-eight thousand, two hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 27 30 36 40 45 54 60 72 90 108 120 135 180 216 270 360 540 1080 1978091 3956182 5934273 7912364 9890455 11868546 15824728 17802819 19780910 23737092 29671365 35605638 39561820 47474184 53408457 59342730 71211276 79123640 89014095 106816914 118685460 142422552 178028190 213633828 237370920 267042285 356056380 427267656 534084570 712112760 1068169140 2136338280