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204021430001441 = 13612210591163843
BaseRepresentation
bin101110011000111001110000…
…110111001001111100100001
3222202101020222020122121221122
4232120321300313021330201
5203220141342040021231
62001530052342502025
760655030141323143
oct5630716067117441
9882336866577848
10204021430001441
115a00a003454208
121aa70878134915
1389ac1a4ab6530
14385499312ac93
15188c0eb5d477b
hexb98e70dc9f21

204021430001441 has 16 divisors (see below), whose sum is σ = 223318479827520. Its totient is φ = 185239141081920.

The previous prime is 204021430001437. The next prime is 204021430001447. The reversal of 204021430001441 is 144100034120402.

It is a cyclic number.

It is not a de Polignac number, because 204021430001441 - 22 = 204021430001437 is a prime.

It is a super-2 number, since 2×2040214300014412 (a number of 29 digits) contains 22 as substring.

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 204021430001441.

It is not an unprimeable number, because it can be changed into a prime (204021430001447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174717866 + ... + 175881708.

It is an arithmetic number, because the mean of its divisors is an integer number (13957404989220).

Almost surely, 2204021430001441 is an apocalyptic number.

It is an amenable number.

204021430001441 is a deficient number, since it is larger than the sum of its proper divisors (19297049826079).

204021430001441 is a wasteful number, since it uses less digits than its factorization.

204021430001441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1384976.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 204021430001441 its reverse (144100034120402), we get a palindrome (348121464121843).

The spelling of 204021430001441 in words is "two hundred four trillion, twenty-one billion, four hundred thirty million, one thousand, four hundred forty-one".

Divisors: 1 13 61 793 221059 1163843 2873767 13484599 15129959 70994423 175299787 922927499 257277969737 3344613606581 15693956153957 204021430001441