Base | Representation |
---|---|
bin | 1000010001011110001… |
… | …1100010111110010001 |
3 | 111120212020000010111020 |
4 | 2010113203202332101 |
5 | 4312040023140100 |
6 | 145143200110053 |
7 | 13161043354512 |
oct | 2042743427621 |
9 | 446766003436 |
10 | 142129115025 |
11 | 553051a8837 |
12 | 23666905329 |
13 | 10530a05081 |
14 | 6c442d6a09 |
15 | 3a6cada5a0 |
hex | 21178e2f91 |
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".
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