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204044131401421 = 2118673191114969
BaseRepresentation
bin101110011001001110111001…
…111110000111111011001101
3222202110102120100100020022111
4232121032321332013323031
5203221024340114321141
62001544325132344021
760656462535123553
oct5631167176077315
9882412510306274
10204044131401421
115a0186a2835aa3
121aa75152915011
1389b1382047b9c
143855b080cbbd3
15188c9c95b0381
hexb993b9f87ecd

204044131401421 has 8 divisors (see below), whose sum is σ = 205011585444800. Its totient is φ = 203076681323040.

The previous prime is 204044131401401. The next prime is 204044131401431. The reversal of 204044131401421 is 124104131440402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 204044131401421 - 25 = 204044131401389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204044131401401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182446825 + ... + 183561793.

It is an arithmetic number, because the mean of its divisors is an integer number (25626448180600).

Almost surely, 2204044131401421 is an apocalyptic number.

It is an amenable number.

204044131401421 is a deficient number, since it is larger than the sum of its proper divisors (967454043379).

204044131401421 is a wasteful number, since it uses less digits than its factorization.

204044131401421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1982499.

The product of its (nonzero) digits is 12288, while the sum is 31.

Adding to 204044131401421 its reverse (124104131440402), we get a palindrome (328148262841823).

The spelling of 204044131401421 in words is "two hundred four trillion, forty-four billion, one hundred thirty-one million, four hundred one thousand, four hundred twenty-one".

Divisors: 1 211 867319 1114969 183004309 235258459 967033798111 204044131401421