Search a number
-
+
268631306162 = 2192192892
BaseRepresentation
bin1111101000101110101…
…1000110111110110010
3221200101101012021101122
43322023223012332302
513400124103244122
6323224005102242
725256635266422
oct3721353067662
9850341167348
10268631306162
11a3a2040733a
12440900b7982
131c4410296cb
14d005014482
156ec3826142
hex3e8bac6fb2

268631306162 has 18 divisors (see below), whose sum is σ = 425292938973. Its totient is φ = 127239811344.

The previous prime is 268631306147. The next prime is 268631306171. The reversal of 268631306162 is 261603136862.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 257912638201 + 10718667961 = 507851^2 + 103531^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=366491.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 13917014 + ... + 13936302.

Almost surely, 2268631306162 is an apocalyptic number.

268631306162 is a deficient number, since it is larger than the sum of its proper divisors (156661632811).

268631306162 is an frugal number, since it uses more digits than its factorization.

268631306162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38618 (or 19310 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 44.

The spelling of 268631306162 in words is "two hundred sixty-eight billion, six hundred thirty-one million, three hundred six thousand, one hundred sixty-two".

Divisors: 1 2 19 38 361 722 19289 38578 366491 732982 6963329 13926658 372065521 744131042 7069244899 14138489798 134315653081 268631306162