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211002100131120 = 24352930316393697
BaseRepresentation
bin101111111110011111000001…
…001110011010010100110000
31000200002121022011001110011220
4233332133001032122110300
5210124024300113143440
62024433005430105040
762305253512362324
oct5776370116322460
91020077264043156
10211002100131120
116126054078a911
121b7b97544ab180
13909754981866c
143a167b007b984
15195d9aecd98d0
hexbfe7c139a530

211002100131120 has 80 divisors (see below), whose sum is σ = 676661907339360. Its totient is φ = 54326977503232.

The previous prime is 211002100131113. The next prime is 211002100131157. The reversal of 211002100131120 is 21131001200112.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 211002100131120.

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, 15158189889 + ... + 15158203808.

It is an arithmetic number, because the mean of its divisors is an integer number (8458273841742).

Almost surely, 2211002100131120 is an apocalyptic number.

211002100131120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211002100131120 is an abundant number, since it is smaller than the sum of its proper divisors (465659807208240).

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

211002100131120 is a wasteful number, since it uses less digits than its factorization.

211002100131120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30316393742 (or 30316393736 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 211002100131120 its reverse (21131001200112), we get a palindrome (232133101331232).

The spelling of 211002100131120 in words is "two hundred eleven trillion, two billion, one hundred million, one hundred thirty-one thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 29 30 40 48 58 60 80 87 116 120 145 174 232 240 290 348 435 464 580 696 870 1160 1392 1740 2320 3480 6960 30316393697 60632787394 90949181091 121265574788 151581968485 181898362182 242531149576 303163936970 363796724364 454745905455 485062299152 606327873940 727593448728 879175417213 909491810910 1212655747880 1455186897456 1758350834426 1818983621820 2425311495760 2637526251639 3516701668852 3637967243640 4395877086065 5275052503278 7033403337704 7275934487280 8791754172130 10550105006556 13187631258195 14066806675408 17583508344260 21100210013112 26375262516390 35167016688520 42200420026224 52750525032780 70334033377040 105501050065560 211002100131120