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220031223230244 = 223312512356501127
BaseRepresentation
bin110010000001111000000010…
…111001100110111100100100
31001212001210001021010000001010
4302001320002321212330210
5212314442421121331434
62055544540513502220
764226505554405256
oct6201700271467444
91055053037100033
10220031223230244
11641217993473a8
1220817637571970
1395a0b171a398a
143c497d4945cd6
151a687b51279e9
hexc81e02e66f24

220031223230244 has 48 divisors (see below), whose sum is σ = 532079102693376. Its totient is φ = 70695033780000.

The previous prime is 220031223230239. The next prime is 220031223230279. The reversal of 220031223230244 is 442032322130022.

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, 1178157192 + ... + 1178343935.

It is an arithmetic number, because the mean of its divisors is an integer number (11084981306112).

Almost surely, 2220031223230244 is an apocalyptic number.

It is an amenable number.

220031223230244 is an abundant number, since it is smaller than the sum of its proper divisors (312047879463132).

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

220031223230244 is a wasteful number, since it uses less digits than its factorization.

220031223230244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2356501416 (or 2356501414 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 220031223230244 its reverse (442032322130022), we get a palindrome (662063545360266).

The spelling of 220031223230244 in words is "two hundred twenty trillion, thirty-one billion, two hundred twenty-three million, two hundred thirty thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 12 31 62 93 124 186 251 372 502 753 1004 1506 3012 7781 15562 23343 31124 46686 93372 2356501127 4713002254 7069503381 9426004508 14139006762 28278013524 73051534937 146103069874 219154604811 292206139748 438309209622 591481782877 876618419244 1182963565754 1774445348631 2365927131508 3548890697262 7097781394524 18335935269187 36671870538374 55007805807561 73343741076748 110015611615122 220031223230244