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268450381806 = 23137467699319
BaseRepresentation
bin1111101000000011100…
…0111011111111101110
3221122220202202100211120
43322000320323333232
513344241244204211
6323154023201410
725252310411235
oct3720070737756
9848822670746
10268450381806
11a3938273182
124403b5a6266
131c4126c0b89
14cdc8d99b1c
156eb29d8d06
hex3e80e3bfee

268450381806 has 32 divisors (see below), whose sum is σ = 541978594560. Its totient is φ = 88639955136.

The previous prime is 268450381799. The next prime is 268450381807. The reversal of 268450381806 is 608183054862.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268450381807) 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, 34215 + ... + 733533.

It is an arithmetic number, because the mean of its divisors is an integer number (16936831080).

Almost surely, 2268450381806 is an apocalyptic number.

268450381806 is an abundant number, since it is smaller than the sum of its proper divisors (273528212754).

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

268450381806 is a wasteful number, since it uses less digits than its factorization.

268450381806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699928.

The product of its (nonzero) digits is 2211840, while the sum is 51.

The spelling of 268450381806 in words is "two hundred sixty-eight billion, four hundred fifty million, three hundred eighty-one thousand, eight hundred six".

Divisors: 1 2 3 6 137 274 411 467 822 934 1401 2802 63979 127958 191937 383874 699319 1398638 2097957 4195914 95806703 191613406 287420109 326581973 574840218 653163946 979745919 1959491838 44741730301 89483460602 134225190903 268450381806