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2331020120 = 2351113407521
BaseRepresentation
bin1000101011110000…
…1000101101011000
320000110020002110112
42022330020231120
514233220120440
61023145503452
7111523226012
oct21274105530
96013202415
102331020120
11a96888a10
125507a1b88
132b1c16560
141818251b2
15d999c965
hex8af08b58

2331020120 has 64 divisors (see below), whose sum is σ = 6161732640. Its totient is φ = 782438400.

The previous prime is 2331020113. The next prime is 2331020129. The reversal of 2331020120 is 210201332.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2331020095 and 2331020104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2331020129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198041 + ... + 209480.

Almost surely, 22331020120 is an apocalyptic number.

2331020120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2331020120 is an abundant number, since it is smaller than the sum of its proper divisors (3830712520).

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

2331020120 is a wasteful number, since it uses less digits than its factorization.

2331020120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407556 (or 407552 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2331020120 is about 48280.6391838385. The cubic root of 2331020120 is about 1325.9139525586.

Adding to 2331020120 its reverse (210201332), we get a palindrome (2541221452).

The spelling of 2331020120 in words is "two billion, three hundred thirty-one million, twenty thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 11 13 20 22 26 40 44 52 55 65 88 104 110 130 143 220 260 286 440 520 572 715 1144 1430 2860 5720 407521 815042 1630084 2037605 3260168 4075210 4482731 5297773 8150420 8965462 10595546 16300840 17930924 21191092 22413655 26488865 35861848 42382184 44827310 52977730 58275503 89654620 105955460 116551006 179309240 211910920 233102012 291377515 466204024 582755030 1165510060 2331020120