Base | Representation |
---|---|
bin | 1001001001000011110… |
… | …0100010100100110101 |
3 | 120000101010102201022010 |
4 | 2102100330202210311 |
5 | 10033114424041041 |
6 | 200051551354433 |
7 | 14226601114302 |
oct | 2222074424465 |
9 | 500333381263 |
10 | 157050612021 |
11 | 60671a81336 |
12 | 2652bb22a19 |
13 | 11a6b1c6234 |
14 | 785bd240a9 |
15 | 4142a94a16 |
hex | 2490f22935 |
157050612021 has 8 divisors (see below), whose sum is σ = 212350123584. Its totient is φ = 103225754240.
The previous prime is 157050611999. The next prime is 157050612029. The reversal of 157050612021 is 120216050751.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 157050612021 - 217 = 157050480949 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 157050612021.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (157050612029) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 368663196 + ... + 368663621.
It is an arithmetic number, because the mean of its divisors is an integer number (26543765448).
Almost surely, 2157050612021 is an apocalyptic number.
It is an amenable number.
157050612021 is a deficient number, since it is larger than the sum of its proper divisors (55299511563).
157050612021 is an equidigital number, since it uses as much as digits as its factorization.
157050612021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 737326891.
The product of its (nonzero) digits is 4200, while the sum is 30.
Adding to 157050612021 its reverse (120216050751), we get a palindrome (277266662772).
The spelling of 157050612021 in words is "one hundred fifty-seven billion, fifty million, six hundred twelve thousand, twenty-one".
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