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102203023101220 = 22579132294889671
BaseRepresentation
bin10111001111001111111110…
…111000110000110100100100
3111101212111212101221112000001
4113033033332320300310210
5101343443242403214340
61001211230505231044
730345632121423436
oct2717177670606444
9441774771845001
10102203023101220
112a624071127918
12b567769792484
13450491c10b872
141b3491d080656
15bc380632a29a
hex5cf3fee30d24

102203023101220 has 48 divisors (see below), whose sum is σ = 217359611481600. Its totient is φ = 40360666170240.

The previous prime is 102203023101217. The next prime is 102203023101329. The reversal of 102203023101220 is 22101320302201.

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, 18456985 + ... + 23346655.

It is an arithmetic number, because the mean of its divisors is an integer number (4528325239200).

Almost surely, 2102203023101220 is an apocalyptic number.

102203023101220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102203023101220 is an abundant number, since it is smaller than the sum of its proper divisors (115156588380380).

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

102203023101220 is a wasteful number, since it uses less digits than its factorization.

102203023101220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4902988 (or 4902986 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 102203023101220 its reverse (22101320302201), we get a palindrome (124304343403421).

The spelling of 102203023101220 in words is "one hundred two trillion, two hundred three billion, twenty-three million, one hundred one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 79 158 316 395 790 1580 13229 26458 52916 66145 132290 264580 1045091 2090182 4180364 4889671 5225455 9779342 10450910 19558684 20901820 24448355 48896710 97793420 386284009 772568018 1545136036 1931420045 3862840090 7725680180 64685457659 129370915318 258741830636 323427288295 646854576590 1293709153180 5110151155061 10220302310122 20440604620244 25550755775305 51101511550610 102203023101220