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2116105432 = 237231642939
BaseRepresentation
bin111111000100001…
…0011010011011000
312110110211021221021
41332020103103120
513313210333212
6545551252224
7103303412410
oct17610232330
95413737837
102116105432
11996539371
124b081a074
132795396bc
1416107d640
15c5b99307
hex7e2134d8

2116105432 has 32 divisors (see below), whose sum is σ = 4731667200. Its totient is φ = 867471264.

The previous prime is 2116105429. The next prime is 2116105451. The reversal of 2116105432 is 2345016112.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2116105397 and 2116105406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 820182 + ... + 822757.

It is an arithmetic number, because the mean of its divisors is an integer number (147864600).

Almost surely, 22116105432 is an apocalyptic number.

It is an amenable number.

2116105432 is an abundant number, since it is smaller than the sum of its proper divisors (2615561768).

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

2116105432 is a wasteful number, since it uses less digits than its factorization.

2116105432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1642975 (or 1642971 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 2116105432 is about 46001.1459857252. The cubic root of 2116105432 is about 1283.8445268739.

The spelling of 2116105432 in words is "two billion, one hundred sixteen million, one hundred five thousand, four hundred thirty-two".

Divisors: 1 2 4 7 8 14 23 28 46 56 92 161 184 322 644 1288 1642939 3285878 6571756 11500573 13143512 23001146 37787597 46002292 75575194 92004584 151150388 264513179 302300776 529026358 1058052716 2116105432