Base | Representation |
---|---|
bin | 100011110010110111110001… |
… | …101000000001101010101000 |
3 | 202122101220212110111000021220 |
4 | 203302313301220001222220 |
5 | 131113242444431230203 |
6 | 1314453105054102040 |
7 | 45105521651011434 |
oct | 4362676150015250 |
9 | 678356773430256 |
10 | 157427490101928 |
11 | 46185695044402 |
12 | 157a6603aaa920 |
13 | 69ac46bbb1177 |
14 | 2ac37617939c4 |
15 | 13300b4b1c653 |
hex | 8f2df1a01aa8 |
157427490101928 has 64 divisors (see below), whose sum is σ = 399963259080000. Its totient is φ = 51628472325120.
The previous prime is 157427490101909. The next prime is 157427490101929. The reversal of 157427490101928 is 829101094724751.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (157427490101929) 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, 163482303 + ... + 164442446.
It is an arithmetic number, because the mean of its divisors is an integer number (6249425923125).
Almost surely, 2157427490101928 is an apocalyptic number.
It is an amenable number.
157427490101928 is an abundant number, since it is smaller than the sum of its proper divisors (242535768978072).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
157427490101928 is a wasteful number, since it uses less digits than its factorization.
157427490101928 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 327925082 (or 327925078 counting only the distinct ones).
The product of its (nonzero) digits is 10160640, while the sum is 60.
The spelling of 157427490101928 in words is "one hundred fifty-seven trillion, four hundred twenty-seven billion, four hundred ninety million, one hundred one thousand, nine hundred twenty-eight".
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