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106869088637 = 819531304029
BaseRepresentation
bin110001110000111100…
…1001110000101111101
3101012211220001012101222
41203201321032011331
53222331441314022
6121032303243125
710502213156663
oct1434171160575
9335756035358
10106869088637
11413608a6063
12188662a94a5
13a10196b12c
14525b460c33
152ba72e5242
hex18e1e4e17d

106869088637 has 4 divisors (see below), whose sum is σ = 106870474620. Its totient is φ = 106867702656.

The previous prime is 106869088633. The next prime is 106869088657. The reversal of 106869088637 is 736880968601.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 28270723321 + 78598365316 = 168139^2 + 280354^2 .

It is a cyclic number.

It is not a de Polignac number, because 106869088637 - 22 = 106869088633 is a prime.

It is a super-2 number, since 2×1068690886372 (a number of 23 digits) contains 22 as substring.

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 106869088637.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106869088631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 570062 + ... + 733967.

It is an arithmetic number, because the mean of its divisors is an integer number (26717618655).

Almost surely, 2106869088637 is an apocalyptic number.

It is an amenable number.

106869088637 is a deficient number, since it is larger than the sum of its proper divisors (1385983).

106869088637 is an equidigital number, since it uses as much as digits as its factorization.

106869088637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1385982.

The product of its (nonzero) digits is 20901888, while the sum is 62.

The spelling of 106869088637 in words is "one hundred six billion, eight hundred sixty-nine million, eighty-eight thousand, six hundred thirty-seven".

Divisors: 1 81953 1304029 106869088637