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120331310120 = 23571725279687
BaseRepresentation
bin111000000010001001…
…1100001010000101000
3102111121002120220112122
41300010103201100220
53432414303410440
6131140205330412
711456631155060
oct1600423412050
9374532526478
10120331310120
114703998433a
121b3a2866a08
13b468a28568
145b7734a3a0
1531e40eb7b5
hex1c044e1428

120331310120 has 64 divisors (see below), whose sum is σ = 327624756480. Its totient is φ = 38829597696.

The previous prime is 120331310119. The next prime is 120331310149. The reversal of 120331310120 is 21013133021.

It is a super-2 number, since 2×1203313101202 (a number of 23 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, 12635084 + ... + 12644603.

It is an arithmetic number, because the mean of its divisors is an integer number (5119136820).

Almost surely, 2120331310120 is an apocalyptic number.

120331310120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120331310120 is an abundant number, since it is smaller than the sum of its proper divisors (207293446360).

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

120331310120 is a wasteful number, since it uses less digits than its factorization.

120331310120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25279722 (or 25279718 counting only the distinct ones).

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

Adding to 120331310120 its reverse (21013133021), we get a palindrome (141344443141).

The spelling of 120331310120 in words is "one hundred twenty billion, three hundred thirty-one million, three hundred ten thousand, one hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 17 20 28 34 35 40 56 68 70 85 119 136 140 170 238 280 340 476 595 680 952 1190 2380 4760 25279687 50559374 101118748 126398435 176957809 202237496 252796870 353915618 429754679 505593740 707831236 859509358 884789045 1011187480 1415662472 1719018716 1769578090 2148773395 3008282753 3438037432 3539156180 4297546790 6016565506 7078312360 8595093580 12033131012 15041413765 17190187160 24066262024 30082827530 60165655060 120331310120