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10023120000 = 27325413921
BaseRepresentation
bin10010101010110110…
…01010110010000000
3221212112021020210200
421111123022302000
5131011404320000
64334330125200
7503245054125
oct112533126200
927775236720
1010023120000
114283876453
121b38880800
13c39723a4a
146b126074c
153d9e28500
hex2556cac80

10023120000 has 240 divisors, whose sum is σ = 36044266830. Its totient is φ = 2672640000.

The previous prime is 10023119971. The next prime is 10023120011. The reversal of 10023120000 is 2132001.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 241118784 + 9782001216 = 15528^2 + 98904^2 .

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 713040 + ... + 726960.

Almost surely, 210023120000 is an apocalyptic number.

10023120000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10023120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18022133415).

10023120000 is an abundant number, since it is smaller than the sum of its proper divisors (26021146830).

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

10023120000 is an equidigital number, since it uses as much as digits as its factorization.

10023120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13961 (or 13931 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 10023120000 its reverse (2132001), we get a palindrome (10025252001).

The spelling of 10023120000 in words is "ten billion, twenty-three million, one hundred twenty thousand".