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108052468669 = 617175125557
BaseRepresentation
bin110010010100001101…
…1011101001110111101
3101022220100210010122001
41210220123131032331
53232242412444134
6121345535222301
710543432554355
oct1445033351675
9338810703561
10108052468669
114190888aa92
1218b36677991
13a25cb937c2
1453306a5b65
152c2614b414
hex19286dd3bd

108052468669 has 4 divisors (see below), whose sum is σ = 108227594844. Its totient is φ = 107877342496.

The previous prime is 108052468661. The next prime is 108052468691. The reversal of 108052468669 is 966864250801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 966864250801 = 2633676289927.

It can be written as a sum of positive squares in 2 ways, for example, as 19940264100 + 88112204569 = 141210^2 + 296837^2 .

It is a cyclic number.

It is not a de Polignac number, because 108052468669 - 23 = 108052468661 is a prime.

It is a super-2 number, since 2×1080524686692 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108052468661) 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, 87562162 + ... + 87563395.

It is an arithmetic number, because the mean of its divisors is an integer number (27056898711).

Almost surely, 2108052468669 is an apocalyptic number.

It is an amenable number.

108052468669 is a deficient number, since it is larger than the sum of its proper divisors (175126175).

108052468669 is an equidigital number, since it uses as much as digits as its factorization.

108052468669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175126174.

The product of its (nonzero) digits is 4976640, while the sum is 55.

The spelling of 108052468669 in words is "one hundred eight billion, fifty-two million, four hundred sixty-eight thousand, six hundred sixty-nine".

Divisors: 1 617 175125557 108052468669