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105989216255 = 5131630603327
BaseRepresentation
bin110001010110101110…
…0110001011111111111
3101010120120102001101222
41202231130301133333
53214031214410010
6120405112423555
710441340321246
oct1425534613777
9333516361358
10105989216255
1140a4a1709aa
121865b6a7bbb
139cc15a0ca0
1451b666395d
152b54e42355
hex18ad7317ff

105989216255 has 8 divisors (see below), whose sum is σ = 136970679552. Its totient is φ = 78268959648.

The previous prime is 105989216197. The next prime is 105989216303. The reversal of 105989216255 is 552612989501.

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 105989216255 - 216 = 105989150719 is a prime.

It is a super-2 number, since 2×1059892162552 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 105989216197 and 105989216206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 815301599 + ... + 815301728.

It is an arithmetic number, because the mean of its divisors is an integer number (17121334944).

Almost surely, 2105989216255 is an apocalyptic number.

105989216255 is a deficient number, since it is larger than the sum of its proper divisors (30981463297).

105989216255 is a wasteful number, since it uses less digits than its factorization.

105989216255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1630603345.

The product of its (nonzero) digits is 1944000, while the sum is 53.

The spelling of 105989216255 in words is "one hundred five billion, nine hundred eighty-nine million, two hundred sixteen thousand, two hundred fifty-five".

Divisors: 1 5 13 65 1630603327 8153016635 21197843251 105989216255