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100200400441 = 149672485909
BaseRepresentation
bin101110101010001101…
…0001100011000111001
3100120122010201201222021
41131110122030120321
53120202300303231
6114010442154441
710145026231231
oct1352432143071
9316563651867
10100200400441
11395495719a9
1217504ab2a21
1395ab1a709b
144bc7908cc1
152916b22811
hex175468c639

100200400441 has 4 divisors (see below), whose sum is σ = 100872886500. Its totient is φ = 99527914384.

The previous prime is 100200400423. The next prime is 100200400457. The reversal of 100200400441 is 144004002001.

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 56646380025 + 43554020416 = 238005^2 + 208696^2 .

It is a cyclic number.

It is not a de Polignac number, because 100200400441 - 229 = 99663529529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100200400471) 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, 336242806 + ... + 336243103.

It is an arithmetic number, because the mean of its divisors is an integer number (25218221625).

Almost surely, 2100200400441 is an apocalyptic number.

It is an amenable number.

100200400441 is a deficient number, since it is larger than the sum of its proper divisors (672486059).

100200400441 is an equidigital number, since it uses as much as digits as its factorization.

100200400441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672486058.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 100200400441 its reverse (144004002001), we get a palindrome (244204402442).

The spelling of 100200400441 in words is "one hundred billion, two hundred million, four hundred thousand, four hundred forty-one".

Divisors: 1 149 672485909 100200400441