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30631043503660 = 22510923975178283
BaseRepresentation
bin1101111011011110110000…
…11101111001011000101100
311000110022002002101012021011
412331233120131321120230
513003324334114104120
6145051412423315004
76311006545563625
oct675573035713054
9130408062335234
1030631043503660
11983a6095653a6
1235286025aba64
1314126586c1222
1477c79c4aca4c
15381bb5196c5a
hex1bdbd877962c

30631043503660 has 96 divisors (see below), whose sum is σ = 65274576998400. Its totient is φ = 12072963168000.

The previous prime is 30631043503609. The next prime is 30631043503663. The reversal of 30631043503660 is 6630534013603.

It is a super-2 number, since 2×306310435036602 (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30631043503663) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 391246879 + ... + 391325161.

It is an arithmetic number, because the mean of its divisors is an integer number (679943510400).

Almost surely, 230631043503660 is an apocalyptic number.

It is an amenable number.

30631043503660 is an abundant number, since it is smaller than the sum of its proper divisors (34643533494740).

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

30631043503660 is a wasteful number, since it uses less digits than its factorization.

30631043503660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79391 (or 79389 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 40.

The spelling of 30631043503660 in words is "thirty trillion, six hundred thirty-one billion, forty-three million, five hundred three thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 109 218 239 436 478 545 751 956 1090 1195 1502 2180 2390 3004 3755 4780 7510 15020 26051 52102 78283 81859 104204 130255 156566 163718 179489 260510 313132 327436 358978 391415 409295 521020 717956 782830 818590 897445 1565660 1637180 1794890 3589780 8532847 17065694 18709637 19564301 34131388 37419274 39128602 42664235 58790533 74838548 78257204 85328470 93548185 97821505 117581066 170656940 187096370 195643010 235162132 293952665 374192740 391286020 587905330 1175810660 2039350433 4078700866 6408168097 8157401732 10196752165 12816336194 14050937387 20393504330 25632672388 28101874774 32040840485 40787008660 56203749548 64081680970 70254686935 128163361940 140509373870 281018747740 1531552175183 3063104350366 6126208700732 7657760875915 15315521751830 30631043503660