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105404120501 = 619871700423
BaseRepresentation
bin110001000101010010…
…0110011110110110101
3101002001210110002220212
41202022210303312311
53211331423324001
6120231052035205
710421004145601
oct1421244636665
9332053402825
10105404120501
1140779972899
1218517762b05
139c2a2c3294
14515ca7a501
152b1d8ba7bb
hex188a933db5

105404120501 has 4 divisors (see below), whose sum is σ = 105405882912. Its totient is φ = 105402358092.

The previous prime is 105404120431. The next prime is 105404120519. The reversal of 105404120501 is 105021404501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 105404120501 - 222 = 105399926197 is a prime.

It is a super-2 number, since 2×1054041205012 (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 (105404120201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 788225 + ... + 912198.

It is an arithmetic number, because the mean of its divisors is an integer number (26351470728).

Almost surely, 2105404120501 is an apocalyptic number.

It is an amenable number.

105404120501 is a deficient number, since it is larger than the sum of its proper divisors (1762411).

105404120501 is an equidigital number, since it uses as much as digits as its factorization.

105404120501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1762410.

The product of its (nonzero) digits is 800, while the sum is 23.

The spelling of 105404120501 in words is "one hundred five billion, four hundred four million, one hundred twenty thousand, five hundred one".

Divisors: 1 61987 1700423 105404120501