Base | Representation |
---|---|
bin | 111111010100010110… |
… | …010011110111111010 |
3 | 20111111010202221022110 |
4 | 333110112103313322 |
5 | 2103214201042202 |
6 | 51122144033150 |
7 | 4624533023406 |
oct | 772426236772 |
9 | 214433687273 |
10 | 67987127802 |
11 | 26918a63430 |
12 | 112149027b6 |
13 | 6546414309 |
14 | 340d56a106 |
15 | 1b7da5926c |
hex | fd4593dfa |
67987127802 has 16 divisors (see below), whose sum is σ = 148335551712. Its totient is φ = 20602159920.
The previous prime is 67987127773. The next prime is 67987127807. The reversal of 67987127802 is 20872178976.
It is not an unprimeable number, because it can be changed into a prime (67987127807) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 515053933 + ... + 515054064.
It is an arithmetic number, because the mean of its divisors is an integer number (9270971982).
Almost surely, 267987127802 is an apocalyptic number.
67987127802 is an abundant number, since it is smaller than the sum of its proper divisors (80348423910).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67987127802 is a wasteful number, since it uses less digits than its factorization.
67987127802 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1030108013.
The product of its (nonzero) digits is 4741632, while the sum is 57.
The spelling of 67987127802 in words is "sixty-seven billion, nine hundred eighty-seven million, one hundred twenty-seven thousand, eight hundred two".
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