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2112152900 = 22521113147703
BaseRepresentation
bin111110111100100…
…1110010101000100
312110012101111002012
41331321032111010
513311202343100
6545330433352
7103225001114
oct17571162504
95405344065
102112152900
11994289810
124ab432858
13278784620
14160731044
15c5668135
hex7de4e544

2112152900 has 72 divisors (see below), whose sum is σ = 5384697024. Its totient is φ = 708969600.

The previous prime is 2112152899. The next prime is 2112152953. The reversal of 2112152900 is 92512112.

It is a super-2 number, since 2×21121529002 = 8922379745956820000, which contains 22 as substring.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 59552 + ... + 88151.

Almost surely, 22112152900 is an apocalyptic number.

2112152900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2112152900 is an abundant number, since it is smaller than the sum of its proper divisors (3272544124).

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

2112152900 is a wasteful number, since it uses less digits than its factorization.

2112152900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147741 (or 147734 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 2112152900 is about 45958.1646717969. The cubic root of 2112152900 is about 1283.0446928673.

The spelling of 2112152900 in words is "two billion, one hundred twelve million, one hundred fifty-two thousand, nine hundred".

Divisors: 1 2 4 5 10 11 13 20 22 25 26 44 50 52 55 65 100 110 130 143 220 260 275 286 325 550 572 650 715 1100 1300 1430 2860 3575 7150 14300 147703 295406 590812 738515 1477030 1624733 1920139 2954060 3249466 3692575 3840278 6498932 7385150 7680556 8123665 9600695 14770300 16247330 19201390 21121529 32494660 38402780 40618325 42243058 48003475 81236650 84486116 96006950 105607645 162473300 192013900 211215290 422430580 528038225 1056076450 2112152900