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12322431020 = 2253727165313
BaseRepresentation
bin10110111100111100…
…10110000000101100
31011210202211100120002
423132132112000230
5200214020243040
65354424243432
7614234635604
oct133636260054
934722740502
1012322431020
115253766899
12247a910578
131214bb7403
1484c78dc04
154c1c10a15
hex2de79602c

12322431020 has 24 divisors (see below), whose sum is σ = 25884204864. Its totient is φ = 4927620096.

The previous prime is 12322431007. The next prime is 12322431031. The reversal of 12322431020 is 2013422321.

12322431020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 12322430983 and 12322431001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8117 + ... + 157196.

It is an arithmetic number, because the mean of its divisors is an integer number (1078508536).

Almost surely, 212322431020 is an apocalyptic number.

12322431020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12322431020 is an abundant number, since it is smaller than the sum of its proper divisors (13561773844).

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

12322431020 is a wasteful number, since it uses less digits than its factorization.

12322431020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169049 (or 169047 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 12322431020 its reverse (2013422321), we get a palindrome (14335853341).

The spelling of 12322431020 in words is "twelve billion, three hundred twenty-two million, four hundred thirty-one thousand, twenty".

Divisors: 1 2 4 5 10 20 3727 7454 14908 18635 37270 74540 165313 330626 661252 826565 1653130 3306260 616121551 1232243102 2464486204 3080607755 6161215510 12322431020