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12423034020 = 2235750727581
BaseRepresentation
bin10111001000111100…
…00111010010100100
31012001210010111221010
423210132013102210
5200420244042040
65412420422220
7616566022035
oct134436072244
935053114833
1012423034020
1152a552a371
1224a8547970
13122c9ac507
1485bc9aa8c
154ca983e80
hex2e47874a4

12423034020 has 48 divisors (see below), whose sum is σ = 34790390208. Its totient is φ = 3312247680.

The previous prime is 12423033991. The next prime is 12423034021. The reversal of 12423034020 is 2043032421.

It is not an unprimeable number, because it can be changed into a prime (12423034021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 436630 + ... + 464210.

It is an arithmetic number, because the mean of its divisors is an integer number (724799796).

Almost surely, 212423034020 is an apocalyptic number.

12423034020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12423034020 is an abundant number, since it is smaller than the sum of its proper divisors (22367356188).

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

12423034020 is a wasteful number, since it uses less digits than its factorization.

12423034020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35100 (or 35098 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 12423034020 its reverse (2043032421), we get a palindrome (14466066441).

The spelling of 12423034020 in words is "twelve billion, four hundred twenty-three million, thirty-four thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 7507 15014 22521 27581 30028 37535 45042 55162 75070 82743 90084 110324 112605 137905 150140 165486 225210 275810 330972 413715 450420 551620 827430 1654860 207050567 414101134 621151701 828202268 1035252835 1242303402 2070505670 2484606804 3105758505 4141011340 6211517010 12423034020