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23112202120 = 235794187719
BaseRepresentation
bin10101100001100110…
…000011011110001000
32012122201200111221221
4111201212003132020
5334313210431440
614341222411424
71445512322320
oct254146033610
965581614857
1023112202120
119890265597
124590290b74
1322443b5957
141193778280
159040c4d4a
hex561983788

23112202120 has 64 divisors (see below), whose sum is σ = 59495212800. Its totient is φ = 7915672320.

The previous prime is 23112202109. The next prime is 23112202177. The reversal of 23112202120 is 2120221132.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 23112202094 and 23112202103.

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, 219621 + ... + 307339.

It is an arithmetic number, because the mean of its divisors is an integer number (929612700).

Almost surely, 223112202120 is an apocalyptic number.

23112202120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23112202120 is an abundant number, since it is smaller than the sum of its proper divisors (36383010680).

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

23112202120 is a wasteful number, since it uses less digits than its factorization.

23112202120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88678 (or 88674 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 23112202120 its reverse (2120221132), we get a palindrome (25232423252).

The spelling of 23112202120 in words is "twenty-three billion, one hundred twelve million, two hundred two thousand, one hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 941 1882 3764 4705 6587 7528 9410 13174 18820 26348 32935 37640 52696 65870 87719 131740 175438 263480 350876 438595 614033 701752 877190 1228066 1754380 2456132 3070165 3508760 4912264 6140330 12280660 24561320 82543579 165087158 330174316 412717895 577805053 660348632 825435790 1155610106 1650871580 2311220212 2889025265 3301743160 4622440424 5778050530 11556101060 23112202120