Base | Representation |
---|---|
bin | 101111100111111000… |
… | …0100101010110100100 |
3 | 100202222100210112222201 |
4 | 1133033300211112210 |
5 | 3133422041224203 |
6 | 114552050104244 |
7 | 10250225346541 |
oct | 1371760452644 |
9 | 322870715881 |
10 | 102269867428 |
11 | 3a4107460a3 |
12 | 179a1b7b084 |
13 | 984ab64471 |
14 | 4d426c7bc8 |
15 | 29d8657e1d |
hex | 17cfc255a4 |
102269867428 has 24 divisors (see below), whose sum is σ = 182084341824. Its totient is φ = 50250463200.
The previous prime is 102269867423. The next prime is 102269867459. The reversal of 102269867428 is 824768962201.
It is not an unprimeable number, because it can be changed into a prime (102269867423) 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, 499303 + ... + 673678.
It is an arithmetic number, because the mean of its divisors is an integer number (7586847576).
Almost surely, 2102269867428 is an apocalyptic number.
It is an amenable number.
102269867428 is a deficient number, since it is larger than the sum of its proper divisors (79814474396).
102269867428 is a wasteful number, since it uses less digits than its factorization.
102269867428 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1173363 (or 1173361 counting only the distinct ones).
The product of its (nonzero) digits is 4644864, while the sum is 55.
The spelling of 102269867428 in words is "one hundred two billion, two hundred sixty-nine million, eight hundred sixty-seven thousand, four hundred twenty-eight".
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