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142452510120 = 23325395701417
BaseRepresentation
bin1000010010101011010…
…1001100110110101000
3111121200202112022011100
42010222311030312220
54313220320310440
6145235231401400
713202051233404
oct2045265146650
9447622468140
10142452510120
1155460801308
1223737083260
1310582a0470b
146c7523a104
153a8b1bb230
hex212ad4cda8

142452510120 has 48 divisors (see below), whose sum is σ = 462970659060. Its totient is φ = 37987335936.

The previous prime is 142452510103. The next prime is 142452510121. The reversal of 142452510120 is 21015254241.

It is a happy number.

142452510120 is a `hidden beast` number, since 1 + 4 + 2 + 4 + 525 + 10 + 120 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 137372527044 + 5079983076 = 370638^2 + 71274^2 .

It is not an unprimeable number, because it can be changed into a prime (142452510121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 197850349 + ... + 197851068.

Almost surely, 2142452510120 is an apocalyptic number.

142452510120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142452510120 is an abundant number, since it is smaller than the sum of its proper divisors (320518148940).

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

142452510120 is a wasteful number, since it uses less digits than its factorization.

142452510120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395701434 (or 395701427 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

Adding to 142452510120 its reverse (21015254241), we get a palindrome (163467764361).

The spelling of 142452510120 in words is "one hundred forty-two billion, four hundred fifty-two million, five hundred ten thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 60 72 90 120 180 360 395701417 791402834 1187104251 1582805668 1978507085 2374208502 3165611336 3561312753 3957014170 4748417004 5935521255 7122625506 7914028340 9496834008 11871042510 14245251012 15828056680 17806563765 23742085020 28490502024 35613127530 47484170040 71226255060 142452510120