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219996625972 = 221937434738711
BaseRepresentation
bin1100110011100011010…
…0100001110000110100
3210000211221110112110011
43030320310201300310
512101023114012342
6245022015110004
721615502316044
oct3147064416064
9700757415404
10219996625972
11853333a6272
1236778512304
13179900b5136
14a90db69724
155ac8c75717
hex3338d21c34

219996625972 has 96 divisors (see below), whose sum is σ = 434961838080. Its totient is φ = 96924885120.

The previous prime is 219996625951. The next prime is 219996626023. The reversal of 219996625972 is 279526699912.

It is a super-3 number, since 3×2199966259723 (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 219996625898 and 219996625907.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5663697 + ... + 5702407.

It is an arithmetic number, because the mean of its divisors is an integer number (4530852480).

Almost surely, 2219996625972 is an apocalyptic number.

It is an amenable number.

219996625972 is a deficient number, since it is larger than the sum of its proper divisors (214965212108).

219996625972 is a wasteful number, since it uses less digits than its factorization.

219996625972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38861 (or 38859 counting only the distinct ones).

The product of its digits is 66134880, while the sum is 67.

The spelling of 219996625972 in words is "two hundred nineteen billion, nine hundred ninety-six million, six hundred twenty-five thousand, nine hundred seventy-two".

Divisors: 1 2 4 19 37 38 43 47 74 76 86 94 148 172 188 703 817 893 1406 1591 1634 1739 1786 2021 2812 3182 3268 3478 3572 4042 6364 6956 8084 30229 33041 38399 38711 60458 66082 74777 76798 77422 120916 132164 149554 153596 154844 299108 735509 1420763 1432307 1471018 1664573 1819417 2841526 2864614 2942036 3329146 3638834 5683052 5729228 6658292 7277668 27213833 31626887 34568923 54427666 61589201 63253774 67318429 69137846 78234931 108855332 123178402 126507548 134636858 138275692 156469862 246356804 269273716 312939724 1170194819 1279050151 1486463689 2340389638 2558100302 2894692447 2972927378 4680779276 5116200604 5789384894 5945854756 11578769788 54999156493 109998312986 219996625972