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23020645432 = 2312172364487
BaseRepresentation
bin10101011100001000…
…110010110000111000
32012102100101221210111
4111130020302300320
5334121241123212
614324152154104
71443321154231
oct253410626070
965370357714
1023020645432
119843610704
124565698934
13222b43a2b5
141185544088
158eb03bea7
hex55c232c38

23020645432 has 16 divisors (see below), whose sum is σ = 43199195760. Its totient is φ = 11500859904.

The previous prime is 23020645343. The next prime is 23020645451. The reversal of 23020645432 is 23454602032.

It is a super-2 number, since 2×230206454322 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23020645394 and 23020645403.

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, 1172508 + ... + 1191979.

It is an arithmetic number, because the mean of its divisors is an integer number (2699949735).

Almost surely, 223020645432 is an apocalyptic number.

It is an amenable number.

23020645432 is a deficient number, since it is larger than the sum of its proper divisors (20178550328).

23020645432 is a wasteful number, since it uses less digits than its factorization.

23020645432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2365710 (or 2365706 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 31.

The spelling of 23020645432 in words is "twenty-three billion, twenty million, six hundred forty-five thousand, four hundred thirty-two".

Divisors: 1 2 4 8 1217 2434 4868 9736 2364487 4728974 9457948 18915896 2877580679 5755161358 11510322716 23020645432