Base | Representation |
---|---|
bin | 101111111010010111… |
… | …1001110100101000001 |
3 | 100211120121012012221110 |
4 | 1133310233032211001 |
5 | 3141204402101433 |
6 | 115133411313533 |
7 | 10301500566501 |
oct | 1376457164501 |
9 | 324517165843 |
10 | 102890268993 |
11 | 3a6a9968a66 |
12 | 17b358ab8a9 |
13 | 9919554195 |
14 | 4da0c61a01 |
15 | 2a22d55963 |
hex | 17f4bce941 |
102890268993 has 16 divisors (see below), whose sum is σ = 138508932096. Its totient is φ = 67932928080.
The previous prime is 102890268991. The next prime is 102890269003. The reversal of 102890268993 is 399862098201.
It is not a de Polignac number, because 102890268993 - 21 = 102890268991 is a prime.
It is not an unprimeable number, because it can be changed into a prime (102890268991) 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, 1118748 + ... + 1207218.
It is an arithmetic number, because the mean of its divisors is an integer number (8656808256).
Almost surely, 2102890268993 is an apocalyptic number.
It is an amenable number.
102890268993 is a deficient number, since it is larger than the sum of its proper divisors (35618663103).
102890268993 is a wasteful number, since it uses less digits than its factorization.
102890268993 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 92204.
The product of its (nonzero) digits is 3359232, while the sum is 57.
The spelling of 102890268993 in words is "one hundred two billion, eight hundred ninety million, two hundred sixty-eight thousand, nine hundred ninety-three".
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