Base | Representation |
---|---|
bin | 100000001100100000… |
… | …0010110101101011001 |
3 | 20121110102020010010101 |
4 | 1000121000112231121 |
5 | 2113044041001103 |
6 | 51432332415401 |
7 | 4665220543006 |
oct | 1003100265531 |
9 | 217412203111 |
10 | 69139000153 |
11 | 2735a188153 |
12 | 11496617561 |
13 | 669ac576a2 |
14 | 34bc52c8ad |
15 | 1be9c39a1d |
hex | 1019016b59 |
69139000153 has 8 divisors (see below), whose sum is σ = 73212890472. Its totient is φ = 65065875456.
The previous prime is 69139000141. The next prime is 69139000159. The reversal of 69139000153 is 35100093196.
69139000153 is a nontrivial binomial coefficient, being equal to C(371858, 2).
It can be written as a sum of positive squares in 4 ways, for example, as 49411954944 + 19727045209 = 222288^2 + 140453^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 69139000153 - 233 = 60549065561 is a prime.
It is not an unprimeable number, because it can be changed into a prime (69139000159) 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, 1 + ... + 371857.
It is an arithmetic number, because the mean of its divisors is an integer number (9151611309).
Almost surely, 269139000153 is an apocalyptic number.
69139000153 is the 371857-th triangular number and also the 185929-th hexagonal number.
69139000153 is the 123953-rd centered nonagonal number.
It is an amenable number.
69139000153 is a deficient number, since it is larger than the sum of its proper divisors (4073890319).
69139000153 is a wasteful number, since it uses less digits than its factorization.
69139000153 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 382811.
The product of its (nonzero) digits is 21870, while the sum is 37.
The spelling of 69139000153 in words is "sixty-nine billion, one hundred thirty-nine million, one hundred fifty-three", and thus it is an aban number.
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