Base | Representation |
---|---|
bin | 100010101011111001… |
… | …1000101110111100001 |
3 | 21010021011021210011002 |
4 | 1011113303011313201 |
5 | 2210022242031301 |
6 | 54115152401345 |
7 | 5244603631265 |
oct | 1052763056741 |
9 | 233234253132 |
10 | 74487455201 |
11 | 29654254635 |
12 | 12529846255 |
13 | 704104b1a3 |
14 | 38689b80a5 |
15 | 1e0e57216b |
hex | 1157cc5de1 |
74487455201 has 12 divisors (see below), whose sum is σ = 78656262804. Its totient is φ = 70529292000.
The previous prime is 74487455197. The next prime is 74487455209. The reversal of 74487455201 is 10255478447.
It can be written as a sum of positive squares in 2 ways, for example, as 35890923601 + 38596531600 = 189449^2 + 196460^2 .
It is not a de Polignac number, because 74487455201 - 22 = 74487455197 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (74487455209) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 631991 + ... + 740531.
It is an arithmetic number, because the mean of its divisors is an integer number (6554688567).
Almost surely, 274487455201 is an apocalyptic number.
It is an amenable number.
74487455201 is a deficient number, since it is larger than the sum of its proper divisors (4168807603).
74487455201 is a wasteful number, since it uses less digits than its factorization.
74487455201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 110480 (or 110461 counting only the distinct ones).
The product of its (nonzero) digits is 1254400, while the sum is 47.
The spelling of 74487455201 in words is "seventy-four billion, four hundred eighty-seven million, four hundred fifty-five thousand, two hundred one".
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