Search a number
-
+
204300123449 = 23137199732467
BaseRepresentation
bin1011111001000100111…
…1000111110100111001
3201112100000201120220212
42332101033013310321
511321401312422244
6233504300400505
720521514253032
oct2762117076471
9645300646825
10204300123449
1179709103634
1233717846135
131635b182916
149c6123ba89
1554aac2ed9e
hex2f913c7d39

204300123449 has 16 divisors (see below), whose sum is σ = 214852963968. Its totient is φ = 193887990912.

The previous prime is 204300123427. The next prime is 204300123473. The reversal of 204300123449 is 944321003402.

It is a cyclic number.

It is not a de Polignac number, because 204300123449 - 28 = 204300123193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (204300123499) 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, 6276314 + ... + 6308780.

It is an arithmetic number, because the mean of its divisors is an integer number (13428310248).

Almost surely, 2204300123449 is an apocalyptic number.

It is an amenable number.

204300123449 is a deficient number, since it is larger than the sum of its proper divisors (10552840519).

204300123449 is a wasteful number, since it uses less digits than its factorization.

204300123449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34624.

The product of its (nonzero) digits is 20736, while the sum is 32.

The spelling of 204300123449 in words is "two hundred four billion, three hundred million, one hundred twenty-three thousand, four hundred forty-nine".

Divisors: 1 23 137 1997 3151 32467 45931 273589 746741 4447979 6292547 64836599 102303517 1491241777 8882614063 204300123449