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105146406877 = 137767492021
BaseRepresentation
bin110000111101100110…
…1101101011111011101
3101001101211111220021211
41201323031231133131
53210314440010002
6120145324224421
710411424466121
oct1417315553735
9331354456254
10105146406877
1140657450826
121846539b111
139bb8aac905
145136753581
152b05e60dd7
hex187b36d7dd

105146406877 has 4 divisors (see below), whose sum is σ = 105913899036. Its totient is φ = 104378914720.

The previous prime is 105146406817. The next prime is 105146406917. The reversal of 105146406877 is 778604641501.

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 87338571961 + 17807834916 = 295531^2 + 133446^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-105146406877 is a prime.

It is a super-2 number, since 2×1051464068772 (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 105146406877.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105146406817) 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, 383745874 + ... + 383746147.

It is an arithmetic number, because the mean of its divisors is an integer number (26478474759).

Almost surely, 2105146406877 is an apocalyptic number.

It is an amenable number.

105146406877 is a deficient number, since it is larger than the sum of its proper divisors (767492159).

105146406877 is an equidigital number, since it uses as much as digits as its factorization.

105146406877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767492158.

The product of its (nonzero) digits is 1128960, while the sum is 49.

The spelling of 105146406877 in words is "one hundred five billion, one hundred forty-six million, four hundred six thousand, eight hundred seventy-seven".

Divisors: 1 137 767492021 105146406877