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105161615054 = 2212772471251
BaseRepresentation
bin110000111110000011…
…1101110011011001110
3101001102220010112222122
41201330013232123032
53210332333140204
6120151030212542
710412000656616
oct1417407563316
9331386115878
10105161615054
1140664a98971
121846a4b4152
139bbbca5c32
145138791a46
152b074670be
hex187c1ee6ce

105161615054 has 8 divisors (see below), whose sum is σ = 157749900168. Its totient is φ = 52578315000.

The previous prime is 105161615029. The next prime is 105161615071. The reversal of 105161615054 is 450516161501.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1051616150542 (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1193072 + ... + 1278179.

It is an arithmetic number, because the mean of its divisors is an integer number (19718737521).

Almost surely, 2105161615054 is an apocalyptic number.

105161615054 is a deficient number, since it is larger than the sum of its proper divisors (52588285114).

105161615054 is a wasteful number, since it uses less digits than its factorization.

105161615054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2492530.

The product of its (nonzero) digits is 18000, while the sum is 35.

Adding to 105161615054 its reverse (450516161501), we get a palindrome (555677776555).

The spelling of 105161615054 in words is "one hundred five billion, one hundred sixty-one million, six hundred fifteen thousand, fifty-four".

Divisors: 1 2 21277 42554 2471251 4942502 52580807527 105161615054