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220684575098940 = 223521727116928519
BaseRepresentation
bin110010001011011000100001…
…101101001100100000111100
31001221101020110110220210121020
4302023120201231030200330
5212411144002211131230
62101205032203504140
764324635332561061
oct6213304155144074
91057336413823536
10220684575098940
1164353891454567
1220902195828050
13961a60a144054
143c6d294758c68
151a7a7a3c36810
hexc8b621b4c83c

220684575098940 has 48 divisors (see below), whose sum is σ = 617919690769920. Its totient is φ = 58848945693760.

The previous prime is 220684575098903. The next prime is 220684575098947. The reversal of 220684575098940 is 49890575486022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220684575098947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4572001 + ... + 21500519.

It is an arithmetic number, because the mean of its divisors is an integer number (12873326891040).

Almost surely, 2220684575098940 is an apocalyptic number.

220684575098940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220684575098940 is an abundant number, since it is smaller than the sum of its proper divisors (397235115670980).

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

220684575098940 is a wasteful number, since it uses less digits than its factorization.

220684575098940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17145802 (or 17145800 counting only the distinct ones).

The product of its (nonzero) digits is 348364800, while the sum is 69.

The spelling of 220684575098940 in words is "two hundred twenty trillion, six hundred eighty-four billion, five hundred seventy-five million, ninety-eight thousand, nine hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 217271 434542 651813 869084 1086355 1303626 2172710 2607252 3259065 4345420 6518130 13036260 16928519 33857038 50785557 67714076 84642595 101571114 169285190 203142228 253927785 338570380 507855570 1015711140 3678076251649 7356152503298 11034228754947 14712305006596 18390381258245 22068457509894 36780762516490 44136915019788 55171143774735 73561525032980 110342287549470 220684575098940