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230478308762 = 21321613410149
BaseRepresentation
bin1101011010100110010…
…0111110010110011010
3211000220102121012010212
43112221210332112122
512234004421340022
6253514050011122
722436316205022
oct3265144762632
9730812535125
10230478308762
1189821aa6729
1238802876aa2
13189708131c0
14b225c76a82
155ede07e3e2
hex35a993e59a

230478308762 has 16 divisors (see below), whose sum is σ = 372329248200. Its totient is φ = 106369422912.

The previous prime is 230478308761. The next prime is 230478308821. The reversal of 230478308762 is 267803874032.

230478308762 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 213822083281 + 16656225481 = 462409^2 + 129059^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 230478308762.

It is not an unprimeable number, because it can be changed into a prime (230478308761) 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, 356864 + ... + 767012.

Almost surely, 2230478308762 is an apocalyptic number.

230478308762 is a deficient number, since it is larger than the sum of its proper divisors (141850939438).

230478308762 is a wasteful number, since it uses less digits than its factorization.

230478308762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431777.

The product of its (nonzero) digits is 2709504, while the sum is 50.

The spelling of 230478308762 in words is "two hundred thirty billion, four hundred seventy-eight million, three hundred eight thousand, seven hundred sixty-two".

Divisors: 1 2 13 26 21613 43226 280969 410149 561938 820298 5331937 10663874 8864550337 17729100674 115239154381 230478308762