Base | Representation |
---|---|
bin | 1110101011010101100… |
… | …0101100000110001100 |
3 | 220002211212001202011211 |
4 | 3222311120230012030 |
5 | 13112401210020330 |
6 | 311500420224204 |
7 | 24134354162362 |
oct | 3526530540614 |
9 | 802755052154 |
10 | 252151251340 |
11 | 97a3389821a |
12 | 40a50b3b064 |
13 | 1aa15982891 |
14 | c2c03dd632 |
15 | 685bb06d2a |
hex | 3ab562c18c |
252151251340 has 48 divisors (see below), whose sum is σ = 539578646208. Its totient is φ = 98944611584.
The previous prime is 252151251337. The next prime is 252151251349. The reversal of 252151251340 is 43152151252.
It is not an unprimeable number, because it can be changed into a prime (252151251349) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15280134 + ... + 15296626.
It is an arithmetic number, because the mean of its divisors is an integer number (11241221796).
Almost surely, 2252151251340 is an apocalyptic number.
252151251340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
252151251340 is an abundant number, since it is smaller than the sum of its proper divisors (287427394868).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
252151251340 is a wasteful number, since it uses less digits than its factorization.
252151251340 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30978 (or 30976 counting only the distinct ones).
The product of its (nonzero) digits is 12000, while the sum is 31.
The spelling of 252151251340 in words is "two hundred fifty-two billion, one hundred fifty-one million, two hundred fifty-one thousand, three hundred forty".
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