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23031200401240 = 2356781110596463
BaseRepresentation
bin1010011110010010111101…
…00001001100011101011000
310000112202112221210101102011
411033021132201030131120
511004320344300314430
6120552215402315304
74564643421223633
oct517113641143530
9100482487711364
1023031200401240
11737a528227a89
1226bb7264b8b34
13cb0aa9ab0a05
14598a04b94c1a
1529e1637bd22a
hex14f25e84c758

23031200401240 has 64 divisors (see below), whose sum is σ = 52658492060160. Its totient is φ = 9063789736320.

The previous prime is 23031200401219. The next prime is 23031200401259. The reversal of 23031200401240 is 4210400213032.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3124752 + ... + 7471711.

It is an arithmetic number, because the mean of its divisors is an integer number (822788938440).

Almost surely, 223031200401240 is an apocalyptic number.

23031200401240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23031200401240 is an abundant number, since it is smaller than the sum of its proper divisors (29627291658920).

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

23031200401240 is a wasteful number, since it uses less digits than its factorization.

23031200401240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10597352 (or 10597348 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 23031200401240 its reverse (4210400213032), we get a palindrome (27241600614272).

The spelling of 23031200401240 in words is "twenty-three trillion, thirty-one billion, two hundred million, four hundred one thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 67 134 268 335 536 670 811 1340 1622 2680 3244 4055 6488 8110 16220 32440 54337 108674 217348 271685 434696 543370 1086740 2173480 10596463 21192926 42385852 52982315 84771704 105964630 211929260 423858520 709963021 1419926042 2839852084 3549815105 5679704168 7099630210 8593731493 14199260420 17187462986 28398520840 34374925972 42968657465 68749851944 85937314930 171874629860 343749259720 575780010031 1151560020062 2303120040124 2878900050155 4606240080248 5757800100310 11515600200620 23031200401240