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104032552621 = 421247108201
BaseRepresentation
bin110000011100011010…
…0101100011010101101
3100221112012121020111111
41200320310230122231
53201024313140441
6115443014352021
710342011051454
oct1407064543255
9327465536444
10104032552621
1140135733618
12181b435b611
139a6c0bac5a
14506c849b9b
152a8d290081
hex1838d2c6ad

104032552621 has 4 divisors (see below), whose sum is σ = 104279661244. Its totient is φ = 103785444000.

The previous prime is 104032552601. The next prime is 104032552651. The reversal of 104032552621 is 126255230401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 126255230401 = 201762595553.

It can be written as a sum of positive squares in 2 ways, for example, as 12081087396 + 91951465225 = 109914^2 + 303235^2 .

It is a cyclic number.

It is not a de Polignac number, because 104032552621 - 231 = 101885068973 is a prime.

It is a super-2 number, since 2×1040325526212 (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 (104032552601) 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, 123553680 + ... + 123554521.

It is an arithmetic number, because the mean of its divisors is an integer number (26069915311).

Almost surely, 2104032552621 is an apocalyptic number.

It is an amenable number.

104032552621 is a deficient number, since it is larger than the sum of its proper divisors (247108623).

104032552621 is an equidigital number, since it uses as much as digits as its factorization.

104032552621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247108622.

The product of its (nonzero) digits is 14400, while the sum is 31.

The spelling of 104032552621 in words is "one hundred four billion, thirty-two million, five hundred fifty-two thousand, six hundred twenty-one".

Divisors: 1 421 247108201 104032552621