Search a number
-
+
127864416743864 = 2328156879188943
BaseRepresentation
bin11101000100101011000001…
…001000111011000110111000
3121202201201102001100101121122
4131010223001020323012320
5113224412311141300424
61131540034021124412
735634620305430363
oct3504530110730670
9552651361311548
10127864416743864
1137817aa3919349
1212410b92559708
135646741505148
1423809569170da
15ebb0a84de45e
hex744ac123b1b8

127864416743864 has 16 divisors (see below), whose sum is σ = 240598969233120. Its totient is φ = 63704691615040.

The previous prime is 127864416743857. The next prime is 127864416743873. The reversal of 127864416743864 is 468347614468721.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28439592224 + ... + 28439596719.

It is an arithmetic number, because the mean of its divisors is an integer number (15037435577070).

Almost surely, 2127864416743864 is an apocalyptic number.

It is an amenable number.

127864416743864 is a deficient number, since it is larger than the sum of its proper divisors (112734552489256).

127864416743864 is a wasteful number, since it uses less digits than its factorization.

127864416743864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56879189230 (or 56879189226 counting only the distinct ones).

The product of its digits is 1040449536, while the sum is 71.

The spelling of 127864416743864 in words is "one hundred twenty-seven trillion, eight hundred sixty-four billion, four hundred sixteen million, seven hundred forty-three thousand, eight hundred sixty-four".

Divisors: 1 2 4 8 281 562 1124 2248 56879188943 113758377886 227516755772 455033511544 15983052092983 31966104185966 63932208371932 127864416743864