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23143020032 = 29114109201
BaseRepresentation
bin10101100011011011…
…100111011000000000
32012201212200020012002
4111203123213120000
5334344103120112
614344243123132
71446335265416
oct254333473000
965655606162
1023143020032
1198a66a4540
12459a6734a8
13224a8b5cc2
1411978bb2b6
15906b611c2
hex5636e7600

23143020032 has 40 divisors (see below), whose sum is σ = 50444563752. Its totient is φ = 10519552000.

The previous prime is 23143020013. The next prime is 23143020041. The reversal of 23143020032 is 23002034132.

It is a junction number, because it is equal to n+sod(n) for n = 23143019986 and 23143020013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2048969 + ... + 2060232.

Almost surely, 223143020032 is an apocalyptic number.

23143020032 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

23143020032 is an abundant number, since it is smaller than the sum of its proper divisors (27301543720).

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

23143020032 is an equidigital number, since it uses as much as digits as its factorization.

23143020032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4109230 (or 4109214 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 23143020032 its reverse (23002034132), we get a palindrome (46145054164).

The spelling of 23143020032 in words is "twenty-three billion, one hundred forty-three million, twenty thousand, thirty-two".

Divisors: 1 2 4 8 11 16 22 32 44 64 88 128 176 256 352 512 704 1408 2816 5632 4109201 8218402 16436804 32873608 45201211 65747216 90402422 131494432 180804844 262988864 361609688 525977728 723219376 1051955456 1446438752 2103910912 2892877504 5785755008 11571510016 23143020032