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275255252525 = 52112347879091
BaseRepresentation
bin1000000000101100111…
…11011101011000101101
3222022111000022121120102
410000112133131120231
514002210321040100
6330241151200445
725613040020411
oct4002637353055
9868430277512
10275255252525
11a680a461280
124541a516125
131cc584567b6
14d472a40d41
15726010bcd5
hex40167dd62d

275255252525 has 48 divisors (see below), whose sum is σ = 388658124288. Its totient is φ = 191420856000.

The previous prime is 275255252521. The next prime is 275255252551. The reversal of 275255252525 is 525252552572.

It is a happy number.

It is not a de Polignac number, because 275255252525 - 22 = 275255252521 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 275255252525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275255252521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30273230 + ... + 30282320.

It is an arithmetic number, because the mean of its divisors is an integer number (8097044256).

Almost surely, 2275255252525 is an apocalyptic number.

275255252525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

275255252525 is a deficient number, since it is larger than the sum of its proper divisors (113402871763).

275255252525 is a wasteful number, since it uses less digits than its factorization.

275255252525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13922 (or 13917 counting only the distinct ones).

The product of its digits is 3500000, while the sum is 47.

The spelling of 275255252525 in words is "two hundred seventy-five billion, two hundred fifty-five million, two hundred fifty-two thousand, five hundred twenty-five".

Divisors: 1 5 11 23 25 55 115 253 275 575 1265 4787 6325 9091 23935 45455 52657 100001 110101 119675 209093 227275 263285 500005 550505 1045465 1211111 1316425 2300023 2500025 2752525 5227325 6055555 11500115 30277775 43518617 57500575 217593085 478704787 1000928191 1087965425 2393523935 5004640955 11010210101 11967619675 25023204775 55051050505 275255252525