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12302313132 = 2231553660137
BaseRepresentation
bin10110111010100011…
…00110011010101100
31011202100222021000010
423131101212122230
5200143343010012
65352425133220
7613601636064
oct133521463254
934670867003
1012302313132
115243375a3a
12247402a210
131210992435
14849c343a4
154c0089c3c
hex2dd4666ac

12302313132 has 24 divisors (see below), whose sum is σ = 28723924656. Its totient is φ = 4098124288.

The previous prime is 12302313083. The next prime is 12302313151. The reversal of 12302313132 is 23131320321.

It is a junction number, because it is equal to n+sod(n) for n = 12302313099 and 12302313108.

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, 311433 + ... + 348704.

It is an arithmetic number, because the mean of its divisors is an integer number (1196830194).

Almost surely, 212302313132 is an apocalyptic number.

12302313132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12302313132 is an abundant number, since it is smaller than the sum of its proper divisors (16421611524).

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

12302313132 is a wasteful number, since it uses less digits than its factorization.

12302313132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661697 (or 661695 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 12302313132 its reverse (23131320321), we get a palindrome (35433633453).

The spelling of 12302313132 in words is "twelve billion, three hundred two million, three hundred thirteen thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 1553 3106 4659 6212 9318 18636 660137 1320274 1980411 2640548 3960822 7921644 1025192761 2050385522 3075578283 4100771044 6151156566 12302313132