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213990637080 = 233511162114119
BaseRepresentation
bin1100011101001011010…
…1011111111000011000
3202110100101010200120010
43013102311133320120
512001223100341310
6242150030001520
721313613255253
oct3072265377030
9673311120503
10213990637080
1182831154990
12355810462a0
1317243a0045c
14a50023c09a
155876858320
hex31d2d5fe18

213990637080 has 64 divisors (see below), whose sum is σ = 700332998400. Its totient is φ = 51876517760.

The previous prime is 213990637073. The next prime is 213990637117. The reversal of 213990637080 is 80736099312.

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, 81055740 + ... + 81058379.

It is an arithmetic number, because the mean of its divisors is an integer number (10942703100).

Almost surely, 2213990637080 is an apocalyptic number.

213990637080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213990637080 is an abundant number, since it is smaller than the sum of its proper divisors (486342361320).

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

213990637080 is a wasteful number, since it uses less digits than its factorization.

213990637080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162114144 (or 162114140 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 48.

The spelling of 213990637080 in words is "two hundred thirteen billion, nine hundred ninety million, six hundred thirty-seven thousand, eighty".

Divisors: 1 2 3 4 5 6 8 10 11 12 15 20 22 24 30 33 40 44 55 60 66 88 110 120 132 165 220 264 330 440 660 1320 162114119 324228238 486342357 648456476 810570595 972684714 1296912952 1621141190 1783255309 1945369428 2431711785 3242282380 3566510618 3890738856 4863423570 5349765927 6484564760 7133021236 8916276545 9726847140 10699531854 14266042472 17832553090 19453694280 21399063708 26748829635 35665106180 42798127416 53497659270 71330212360 106995318540 213990637080