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142129115025 = 3526737937457
BaseRepresentation
bin1000010001011110001…
…1100010111110010001
3111120212020000010111020
42010113203202332101
54312040023140100
6145143200110053
713161043354512
oct2042743427621
9446766003436
10142129115025
11553051a8837
1223666905329
1310530a05081
146c442d6a09
153a6cada5a0
hex21178e2f91

142129115025 has 48 divisors (see below), whose sum is σ = 238588937664. Its totient is φ = 74641121280.

The previous prime is 142129114999. The next prime is 142129115047. The reversal of 142129115025 is 520511921241.

It is not a de Polignac number, because 142129115025 - 26 = 142129114961 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19056097 + ... + 19063553.

It is an arithmetic number, because the mean of its divisors is an integer number (4970602868).

Almost surely, 2142129115025 is an apocalyptic number.

142129115025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142129115025 is a deficient number, since it is larger than the sum of its proper divisors (96459822639).

142129115025 is a wasteful number, since it uses less digits than its factorization.

142129115025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11330 (or 11325 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 33.

The spelling of 142129115025 in words is "one hundred forty-two billion, one hundred twenty-nine million, one hundred fifteen thousand, twenty-five".

Divisors: 1 3 5 15 25 67 75 201 335 1005 1675 3793 5025 7457 11379 18965 22371 37285 56895 94825 111855 186425 254131 284475 499619 559275 762393 1270655 1498857 2498095 3811965 6353275 7494285 12490475 19059825 28284401 37471425 84853203 141422005 424266015 707110025 1895054867 2121330075 5685164601 9475274335 28425823005 47376371675 142129115025