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230901643698 = 23113498509753
BaseRepresentation
bin1101011100001011001…
…1110111100110110010
3211001222221011211111120
43113002303313212302
512240341310044243
6254024051323110
722452646405455
oct3270263674662
9731887154446
10230901643698
1189a19a5a510
12389005b0496
1318a0a434b4b
14b26619349c
156016301c83
hex35c2cf79b2

230901643698 has 16 divisors (see below), whose sum is σ = 503785404576. Its totient is φ = 69970195040.

The previous prime is 230901643697. The next prime is 230901643703. The reversal of 230901643698 is 896346109032.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 230901643698.

It is not an unprimeable number, because it can be changed into a prime (230901643697) 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, 1749254811 + ... + 1749254942.

It is an arithmetic number, because the mean of its divisors is an integer number (31486587786).

Almost surely, 2230901643698 is an apocalyptic number.

230901643698 is an abundant number, since it is smaller than the sum of its proper divisors (272883760878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

230901643698 is a wasteful number, since it uses less digits than its factorization.

230901643698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3498509769.

The product of its (nonzero) digits is 1679616, while the sum is 51.

The spelling of 230901643698 in words is "two hundred thirty billion, nine hundred one million, six hundred forty-three thousand, six hundred ninety-eight".

Divisors: 1 2 3 6 11 22 33 66 3498509753 6997019506 10495529259 20991058518 38483607283 76967214566 115450821849 230901643698