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106261846109 = 439724166897
BaseRepresentation
bin110001011110110110…
…0110001100001011101
3101011021120102002020222
41202331230301201131
53220111013033414
6120452132051125
710451160534416
oct1427554614135
9334246362228
10106261846109
114107a050831
1218716a63aa5
13a035c07b23
14520095080d
152b6dd4668e
hex18bdb3185d

106261846109 has 4 divisors (see below), whose sum is σ = 106286017404. Its totient is φ = 106237674816.

The previous prime is 106261846087. The next prime is 106261846123. The reversal of 106261846109 is 901648162601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 901648162601 = 1870148213901.

It can be written as a sum of positive squares in 2 ways, for example, as 37782806884 + 68479039225 = 194378^2 + 261685^2 .

It is a cyclic number.

It is not a de Polignac number, because 106261846109 - 232 = 101966878813 is a prime.

It is a super-2 number, since 2×1062618461092 (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 106261846109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106261846169) 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, 12079052 + ... + 12087845.

It is an arithmetic number, because the mean of its divisors is an integer number (26571504351).

Almost surely, 2106261846109 is an apocalyptic number.

It is an amenable number.

106261846109 is a deficient number, since it is larger than the sum of its proper divisors (24171295).

106261846109 is an equidigital number, since it uses as much as digits as its factorization.

106261846109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24171294.

The product of its (nonzero) digits is 124416, while the sum is 44.

The spelling of 106261846109 in words is "one hundred six billion, two hundred sixty-one million, eight hundred forty-six thousand, one hundred nine".

Divisors: 1 4397 24166897 106261846109