Search a number
-
+
270708248681 = 13314315621689
BaseRepresentation
bin1111110000011101111…
…0000001000001101001
3221212202010022212220122
43330013132001001221
513413402302424211
6324210041133025
725362255101423
oct3740736010151
9855663285818
10270708248681
11a4896826a62
124456b78a175
131c6b2403590
14d160bbb813
157095d366db
hex3f07781069

270708248681 has 16 divisors (see below), whose sum is σ = 307934753280. Its totient is φ = 236199922560.

The previous prime is 270708248627. The next prime is 270708248687. The reversal of 270708248681 is 186842807072.

It is a cyclic number.

It is not a de Polignac number, because 270708248681 - 222 = 270704054377 is a prime.

It is a super-2 number, since 2×2707082486812 (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (270708248687) 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, 7793516 + ... + 7828173.

It is an arithmetic number, because the mean of its divisors is an integer number (19245922080).

Almost surely, 2270708248681 is an apocalyptic number.

It is an amenable number.

270708248681 is a deficient number, since it is larger than the sum of its proper divisors (37226504599).

270708248681 is a wasteful number, since it uses less digits than its factorization.

270708248681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15621776.

The product of its (nonzero) digits is 2408448, while the sum is 53.

The spelling of 270708248681 in words is "two hundred seventy billion, seven hundred eight million, two hundred forty-eight thousand, six hundred eighty-one".

Divisors: 1 13 31 43 403 559 1333 17329 15621689 203081957 484272359 671732627 6295540667 8732524151 20823711437 270708248681