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272420180887 = 7391187310559
BaseRepresentation
bin1111110110110110000…
…0100001001110010111
3222001011102122001102011
43331231200201032113
513430404031242022
6325051553525051
725452553221421
oct3755540411627
9861142561364
10272420180887
11a55950a9a68
1244968b73787
131c8c5c9a00a
14d2842cb811
157146295977
hex3f6d821397

272420180887 has 8 divisors (see below), whose sum is σ = 273019507200. Its totient is φ = 271821479544.

The previous prime is 272420180873. The next prime is 272420180897. The reversal of 272420180887 is 788081024272.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 272420180887 - 219 = 272419656599 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 272420180887.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272420180897) 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, 721914 + ... + 1032472.

It is an arithmetic number, because the mean of its divisors is an integer number (34127438400).

Almost surely, 2272420180887 is an apocalyptic number.

272420180887 is a deficient number, since it is larger than the sum of its proper divisors (599326313).

272420180887 is a wasteful number, since it uses less digits than its factorization.

272420180887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312485.

The product of its (nonzero) digits is 802816, while the sum is 49.

The spelling of 272420180887 in words is "two hundred seventy-two billion, four hundred twenty million, one hundred eighty thousand, eight hundred eighty-seven".

Divisors: 1 739 1187 310559 877193 229503101 368633533 272420180887