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52631212361240 = 23515135926779067
BaseRepresentation
bin10111111011110001010001…
…01101111000011000011000
320220100111100200102101221102
423331320220231320120120
523344302210331024430
6303534240053530532
714041323335444012
oct1375705055703030
9226314320371842
1052631212361240
1115851854315437
125aa0346643a48
13234a14320b646
14cdd5157b31b2
156140d2c62345
hex2fde28b78618

52631212361240 has 128 divisors (see below), whose sum is σ = 119594355379200. Its totient is φ = 20844721267200.

The previous prime is 52631212361237. The next prime is 52631212361269. The reversal of 52631212361240 is 4216321213625.

It is a super-2 number, since 2×526312123612402 (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52631212361194 and 52631212361203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5804695187 + ... + 5804704253.

It is an arithmetic number, because the mean of its divisors is an integer number (934330901400).

Almost surely, 252631212361240 is an apocalyptic number.

It is an amenable number.

52631212361240 is an abundant number, since it is smaller than the sum of its proper divisors (66963143017960).

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

52631212361240 is a wasteful number, since it uses less digits than its factorization.

52631212361240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12265 (or 12261 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 38.

Adding to 52631212361240 its reverse (4216321213625), we get a palindrome (56847533574865).

The spelling of 52631212361240 in words is "fifty-two trillion, six hundred thirty-one billion, two hundred twelve million, three hundred sixty-one thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 151 302 359 604 718 755 1208 1436 1510 1795 2677 2872 3020 3590 5354 6040 7180 9067 10708 13385 14360 18134 21416 26770 36268 45335 53540 54209 72536 90670 107080 108418 181340 216836 271045 362680 404227 433672 542090 808454 961043 1084180 1369117 1616908 1922086 2021135 2168360 2738234 3233816 3255053 3844172 4042270 4805215 5476468 6510106 6845585 7688344 8084540 9610430 10952936 13020212 13691170 16169080 16275265 19220860 24272359 26040424 27382340 32550530 38441720 48544718 54764680 65101060 97089436 121361795 130202120 145117493 194178872 242723590 290234986 485447180 491513003 580469972 725587465 970894360 983026006 1160939944 1451174930 1966052012 2457565015 2902349860 3665126209 3932104024 4915130030 5804699720 7330252418 8713776881 9830260060 14660504836 17427553762 18325631045 19660520120 29321009672 34855107524 36651262090 43568884405 69710215048 73302524180 87137768810 146605048360 174275537620 348551075240 1315780309031 2631560618062 5263121236124 6578901545155 10526242472248 13157803090310 26315606180620 52631212361240