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2152389912 = 23389682913
BaseRepresentation
bin1000000001001010…
…1101110100011000
312120000002201212220
42000102231310120
513402002434122
6553325104040
7104224004151
oct20022556430
95500081786
102152389912
11a04a71442
125009b8020
13283c01cca
14165c06928
15c8e6525c
hex804add18

2152389912 has 16 divisors (see below), whose sum is σ = 5380974840. Its totient is φ = 717463296.

The previous prime is 2152389859. The next prime is 2152389913. The reversal of 2152389912 is 2199832512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2152389913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44841433 + ... + 44841480.

Almost surely, 22152389912 is an apocalyptic number.

It is an amenable number.

2152389912 is an abundant number, since it is smaller than the sum of its proper divisors (3228584928).

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

2152389912 is a wasteful number, since it uses less digits than its factorization.

2152389912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89682922 (or 89682918 counting only the distinct ones).

The product of its digits is 77760, while the sum is 42.

The square root of 2152389912 is about 46393.8564036231. The cubic root of 2152389912 is about 1291.1409316025.

The spelling of 2152389912 in words is "two billion, one hundred fifty-two million, three hundred eighty-nine thousand, nine hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 89682913 179365826 269048739 358731652 538097478 717463304 1076194956 2152389912