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120140451420 = 2235111011802287
BaseRepresentation
bin110111111100011101…
…1011100111001011100
3102111002210110021121220
41233320323130321130
53432021423421140
6131105230453340
711452122662523
oct1577073347134
9374083407556
10120140451420
1146a51175380
121b34a964250
13b438322012
145b59c674ba
1531d249abd0
hex1bf8edce5c

120140451420 has 96 divisors (see below), whose sum is σ = 370608086016. Its totient is φ = 28836576000.

The previous prime is 120140451419. The next prime is 120140451439. The reversal of 120140451420 is 24154041021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 834484 + ... + 967803.

It is an arithmetic number, because the mean of its divisors is an integer number (3860500896).

Almost surely, 2120140451420 is an apocalyptic number.

120140451420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120140451420 is an abundant number, since it is smaller than the sum of its proper divisors (250467634596).

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

120140451420 is a wasteful number, since it uses less digits than its factorization.

120140451420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1802411 (or 1802409 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

Adding to 120140451420 its reverse (24154041021), we get a palindrome (144294492441).

The spelling of 120140451420 in words is "one hundred twenty billion, one hundred forty million, four hundred fifty-one thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 101 110 132 165 202 220 303 330 404 505 606 660 1010 1111 1212 1515 2020 2222 3030 3333 4444 5555 6060 6666 11110 13332 16665 22220 33330 66660 1802287 3604574 5406861 7209148 9011435 10813722 18022870 19825157 21627444 27034305 36045740 39650314 54068610 59475471 79300628 99125785 108137220 118950942 182030987 198251570 237901884 297377355 364061974 396503140 546092961 594754710 728123948 910154935 1092185922 1189509420 1820309870 2002340857 2184371844 2730464805 3640619740 4004681714 5460929610 6007022571 8009363428 10011704285 10921859220 12014045142 20023408570 24028090284 30035112855 40046817140 60070225710 120140451420