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105060105551 = 697715058063
BaseRepresentation
bin110000111011000010…
…0011111110101001111
3101001011211010100010102
41201312010133311033
53210130341334201
6120133002401315
710406326106552
oct1416604376517
9331154110112
10105060105551
1140612766315
121844050023b
139ba3c5433b
1451290ca699
152aed5b526b
hex187611fd4f

105060105551 has 4 divisors (see below), whose sum is σ = 105075170592. Its totient is φ = 105045040512.

The previous prime is 105060105547. The next prime is 105060105599. The reversal of 105060105551 is 155501060501.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 155501060501 = 194979785049.

It is a cyclic number.

It is not a de Polignac number, because 105060105551 - 22 = 105060105547 is a prime.

It is a super-2 number, since 2×1050601055512 (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 (105060105251) 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, 7522055 + ... + 7536008.

It is an arithmetic number, because the mean of its divisors is an integer number (26268792648).

Almost surely, 2105060105551 is an apocalyptic number.

105060105551 is a deficient number, since it is larger than the sum of its proper divisors (15065041).

105060105551 is an equidigital number, since it uses as much as digits as its factorization.

105060105551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15065040.

The product of its (nonzero) digits is 3750, while the sum is 29.

The spelling of 105060105551 in words is "one hundred five billion, sixty million, one hundred five thousand, five hundred fifty-one".

Divisors: 1 6977 15058063 105060105551