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23030202140 = 22511104682737
BaseRepresentation
bin10101011100101101…
…001111111100011100
32012110000101111010122
4111130231033330130
5334131212432030
614325133054112
71443465326321
oct253455177434
965400344118
1023030202140
119848a48810
124568927338
13223040515a
141186910b48
158ebcc88e5
hex55cb4ff1c

23030202140 has 24 divisors (see below), whose sum is σ = 52760099952. Its totient is φ = 8374618880.

The previous prime is 23030202121. The next prime is 23030202149. The reversal of 23030202140 is 4120203032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23030202149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52341149 + ... + 52341588.

It is an arithmetic number, because the mean of its divisors is an integer number (2198337498).

Almost surely, 223030202140 is an apocalyptic number.

23030202140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23030202140 is an abundant number, since it is smaller than the sum of its proper divisors (29729897812).

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

23030202140 is a wasteful number, since it uses less digits than its factorization.

23030202140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104682757 (or 104682755 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 23030202140 its reverse (4120203032), we get a palindrome (27150405172).

The spelling of 23030202140 in words is "twenty-three billion, thirty million, two hundred two thousand, one hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 104682737 209365474 418730948 523413685 1046827370 1151510107 2093654740 2303020214 4606040428 5757550535 11515101070 23030202140