Base | Representation |
---|---|
bin | 101111110010100110… |
… | …1011101000011011101 |
3 | 100210220102222211212122 |
4 | 1133211031131003131 |
5 | 3140141204212044 |
6 | 115051503512325 |
7 | 10262155353653 |
oct | 1374515350335 |
9 | 323812884778 |
10 | 102629757149 |
11 | 3a585905617 |
12 | 17a825b86a5 |
13 | 98a75a0c6a |
14 | 4d7840add3 |
15 | 2a0a046dee |
hex | 17e535d0dd |
102629757149 has 4 divisors (see below), whose sum is σ = 102632535264. Its totient is φ = 102626979036.
The previous prime is 102629757143. The next prime is 102629757151. The reversal of 102629757149 is 941757926201.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 941757926201 = 1231 ⋅765034871.
It is a cyclic number.
It is not a de Polignac number, because 102629757149 - 28 = 102629756893 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 102629757149.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102629757143) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1332887 + ... + 1407780.
It is an arithmetic number, because the mean of its divisors is an integer number (25658133816).
Almost surely, 2102629757149 is an apocalyptic number.
It is an amenable number.
102629757149 is a deficient number, since it is larger than the sum of its proper divisors (2778115).
102629757149 is an equidigital number, since it uses as much as digits as its factorization.
102629757149 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2778114.
The product of its (nonzero) digits is 1905120, while the sum is 53.
The spelling of 102629757149 in words is "one hundred two billion, six hundred twenty-nine million, seven hundred fifty-seven thousand, one hundred forty-nine".
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