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52518017445 = 3531479235787
BaseRepresentation
bin110000111010010100…
…010101100110100101
312000120001220201012020
4300322110111212211
51330024103024240
640043151213353
73536305532325
oct607224254645
9160501821166
1052518017445
1120300062903
12a218217259
134c4c63a08a
142782d11285
15157597e0d0
hexc3a5159a5

52518017445 has 32 divisors (see below), whose sum is σ = 86920888320. Its totient is φ = 27049369920.

The previous prime is 52518017413. The next prime is 52518017459. The reversal of 52518017445 is 54471081525.

It is a happy number.

It is not a de Polignac number, because 52518017445 - 25 = 52518017413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52518017397 and 52518017406.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 104842 + ... + 340628.

It is an arithmetic number, because the mean of its divisors is an integer number (2716277760).

Almost surely, 252518017445 is an apocalyptic number.

It is an amenable number.

52518017445 is a deficient number, since it is larger than the sum of its proper divisors (34402870875).

52518017445 is a wasteful number, since it uses less digits than its factorization.

52518017445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236305.

The product of its (nonzero) digits is 224000, while the sum is 42.

The spelling of 52518017445 in words is "fifty-two billion, five hundred eighteen million, seventeen thousand, four hundred forty-five".

Divisors: 1 3 5 15 31 93 155 465 479 1437 2395 7185 14849 44547 74245 222735 235787 707361 1178935 3536805 7309397 21928191 36546985 109640955 112941973 338825919 564709865 1694129595 3501201163 10503603489 17506005815 52518017445