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23120444000 = 25535780111
BaseRepresentation
bin10101100010000101…
…011111101001100000
32012200022012020200202
4111202011133221200
5334322313202000
614342115204332
71445642350163
oct254205375140
965608166622
1023120444000
119894984865
124592ba66a8
1322460101c4
1411948c1ada
15904ba1dd5
hex56215fa60

23120444000 has 48 divisors (see below), whose sum is σ = 56806940736. Its totient is φ = 9248176000.

The previous prime is 23120443991. The next prime is 23120444033. The reversal of 23120444000 is 44402132.

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

It is a congruent number.

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, 2886056 + ... + 2894055.

It is an arithmetic number, because the mean of its divisors is an integer number (1183477932).

Almost surely, 223120444000 is an apocalyptic number.

23120444000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23120444000 is an abundant number, since it is smaller than the sum of its proper divisors (33686496736).

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

23120444000 is an equidigital number, since it uses as much as digits as its factorization.

23120444000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5780136 (or 5780118 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 23120444000 its reverse (44402132), we get a palindrome (23164846132).

The spelling of 23120444000 in words is "twenty-three billion, one hundred twenty million, four hundred forty-four thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 160 200 250 400 500 800 1000 2000 4000 5780111 11560222 23120444 28900555 46240888 57801110 92481776 115602220 144502775 184963552 231204440 289005550 462408880 578011100 722513875 924817760 1156022200 1445027750 2312044400 2890055500 4624088800 5780111000 11560222000 23120444000