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23130310440212 = 2243193696780047
BaseRepresentation
bin1010100001001011100011…
…11011111111010100010100
310000220020101002211000122022
411100211301323333110110
511012431333433041322
6121105530134352312
74605052440524603
oct520456173772424
9100806332730568
1023130310440212
1174085672681a8
1227169861bb698
13cba2431002a1
1459d72794da3a
152a1a14810942
hex150971eff514

23130310440212 has 24 divisors (see below), whose sum is σ = 41634001428096. Its totient is φ = 11237668581888.

The previous prime is 23130310440203. The next prime is 23130310440221. The reversal of 23130310440212 is 21204401303132.

It is an interprime number because it is at equal distance from previous prime (23130310440203) and next prime (23130310440221).

It is a super-2 number, since 2×231303104402122 (a number of 28 digits) contains 22 as substring.

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, 348356828 + ... + 348423219.

It is an arithmetic number, because the mean of its divisors is an integer number (1734750059504).

Almost surely, 223130310440212 is an apocalyptic number.

It is an amenable number.

23130310440212 is a deficient number, since it is larger than the sum of its proper divisors (18503690987884).

23130310440212 is a wasteful number, since it uses less digits than its factorization.

23130310440212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696780287 (or 696780285 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 23130310440212 its reverse (21204401303132), we get a palindrome (44334711743344).

The spelling of 23130310440212 in words is "twenty-three trillion, one hundred thirty billion, three hundred ten million, four hundred forty thousand, two hundred twelve".

Divisors: 1 2 4 43 86 172 193 386 772 8299 16598 33196 696780047 1393560094 2787120188 29961542021 59923084042 119846168084 134478549071 268957098142 537914196284 5782577610053 11565155220106 23130310440212