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23301311120 = 24517104916333
BaseRepresentation
bin10101101100110111…
…011100101010010000
32020010220112020201222
4111230313130222100
5340210113423440
614412055544212
71453266606443
oct255467345220
966126466658
1023301311120
119977a89a1a
12462368b068
132274628979
1411b092365a
159159cc2b5
hex56cddca90

23301311120 has 80 divisors (see below), whose sum is σ = 57420543600. Its totient is φ = 8763359232.

The previous prime is 23301311113. The next prime is 23301311147. The reversal of 23301311120 is 2111310332.

It can be written as a sum of positive squares in 8 ways, for example, as 85303696 + 23216007424 = 9236^2 + 152368^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×233013111202 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

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, 1418474 + ... + 1434806.

It is an arithmetic number, because the mean of its divisors is an integer number (717756795).

Almost surely, 223301311120 is an apocalyptic number.

23301311120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23301311120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28710271800).

23301311120 is an abundant number, since it is smaller than the sum of its proper divisors (34119232480).

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

23301311120 is a wasteful number, since it uses less digits than its factorization.

23301311120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17412 (or 17406 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 23301311120 its reverse (2111310332), we get a palindrome (25412621452).

The spelling of 23301311120 in words is "twenty-three billion, three hundred one million, three hundred eleven thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 17 20 34 40 68 80 85 136 170 272 340 680 1049 1360 2098 4196 5245 8392 10490 16333 16784 17833 20980 32666 35666 41960 65332 71332 81665 83920 89165 130664 142664 163330 178330 261328 277661 285328 326660 356660 555322 653320 713320 1110644 1306640 1388305 1426640 2221288 2776610 4442576 5553220 11106440 17133317 22212880 34266634 68533268 85666585 137066536 171333170 274133072 291266389 342666340 582532778 685332680 1165065556 1370665360 1456331945 2330131112 2912663890 4660262224 5825327780 11650655560 23301311120