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2151342232 = 231320685983
BaseRepresentation
bin1000000000111010…
…1110000010011000
312112221010111201221
42000032232002120
513401220422412
6553250421424
7104212051534
oct20016560230
95487114657
102151342232
11a04416296
12500591874
13283926190
14165a12bc4
15c8d09b07
hex803ae098

2151342232 has 16 divisors (see below), whose sum is σ = 4344056640. Its totient is φ = 992927136.

The previous prime is 2151342211. The next prime is 2151342253. The reversal of 2151342232 is 2322431512.

It is an interprime number because it is at equal distance from previous prime (2151342211) and next prime (2151342253).

It is a junction number, because it is equal to n+sod(n) for n = 2151342197 and 2151342206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10342888 + ... + 10343095.

It is an arithmetic number, because the mean of its divisors is an integer number (271503540).

Almost surely, 22151342232 is an apocalyptic number.

It is an amenable number.

2151342232 is an abundant number, since it is smaller than the sum of its proper divisors (2192714408).

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

2151342232 is a wasteful number, since it uses less digits than its factorization.

2151342232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20686002 (or 20685998 counting only the distinct ones).

The product of its digits is 2880, while the sum is 25.

The square root of 2151342232 is about 46382.5638791130. The cubic root of 2151342232 is about 1290.9314091457.

Adding to 2151342232 its reverse (2322431512), we get a palindrome (4473773744).

The spelling of 2151342232 in words is "two billion, one hundred fifty-one million, three hundred forty-two thousand, two hundred thirty-two".

Divisors: 1 2 4 8 13 26 52 104 20685983 41371966 82743932 165487864 268917779 537835558 1075671116 2151342232