Search a number
-
+
127748248086057 = 32771237172172211
BaseRepresentation
bin11101000010111110110100…
…111100101010011000101001
3121202022121120001112010112220
4131002332310330222120221
5113221011403002223212
61131410422431424253
735623335451223004
oct3502766474523051
9552277501463486
10127748248086057
1137782800722335
12123b2571985089
1356387ba00a081
14237909638053b
15eb8059a9638c
hex742fb4f2a629

127748248086057 has 32 divisors (see below), whose sum is σ = 171185885049984. Its totient is φ = 84739001126400.

The previous prime is 127748248085989. The next prime is 127748248086061. The reversal of 127748248086057 is 750680842847721.

It is not a de Polignac number, because 127748248086057 - 27 = 127748248085929 is a prime.

It is a super-2 number, since 2×1277482480860572 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 127748248085982 and 127748248086000.

It is not an unprimeable number, because it can be changed into a prime (127748248086077) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1769060682 + ... + 1769132892.

It is an arithmetic number, because the mean of its divisors is an integer number (5349558907812).

Almost surely, 2127748248086057 is an apocalyptic number.

It is an amenable number.

127748248086057 is a deficient number, since it is larger than the sum of its proper divisors (43437636963927).

127748248086057 is a wasteful number, since it uses less digits than its factorization.

127748248086057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75449.

The product of its (nonzero) digits is 337182720, while the sum is 69.

The spelling of 127748248086057 in words is "one hundred twenty-seven trillion, seven hundred forty-eight billion, two hundred forty-eight million, eighty-six thousand, fifty-seven".

Divisors: 1 3 277 831 1237 1721 3711 5163 72211 216633 342649 476717 1027947 1430151 2128877 6386631 20002447 60007341 89325007 124275131 267975021 372825393 589698929 1769096787 24743026939 34424211287 74229080817 103272633861 153728337047 461185011141 42582749362019 127748248086057