Search a number
-
+
23441432221121 = 178915493345817
BaseRepresentation
bin1010101010001111000100…
…01111011001010111000001
310001222222102201100001121212
411111013202033121113001
511033031023122033441
6121504502330055505
74636405354162415
oct525074217312701
9101888381301555
1023441432221121
117518501410072
12276713427a595
131010696154c35
145b07ddbc2d45
152a9b735b6eeb
hex1551e23d95c1

23441432221121 has 8 divisors (see below), whose sum is σ = 25099220225160. Its totient is φ = 21814630908928.

The previous prime is 23441432221111. The next prime is 23441432221169. The reversal of 23441432221121 is 12112223414432.

It can be written as a sum of positive squares in 4 ways, for example, as 89961004225 + 23351471216896 = 299935^2 + 4832336^2 .

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 23441432221121 - 226 = 23441365112257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23441432221111) 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, 7746671396 + ... + 7746674421.

It is an arithmetic number, because the mean of its divisors is an integer number (3137402528145).

Almost surely, 223441432221121 is an apocalyptic number.

It is an amenable number.

23441432221121 is a deficient number, since it is larger than the sum of its proper divisors (1657788004039).

23441432221121 is a wasteful number, since it uses less digits than its factorization.

23441432221121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15493345923.

The product of its digits is 18432, while the sum is 32.

Adding to 23441432221121 its reverse (12112223414432), we get a palindrome (35553655635553).

The spelling of 23441432221121 in words is "twenty-three trillion, four hundred forty-one billion, four hundred thirty-two million, two hundred twenty-one thousand, one hundred twenty-one".

Divisors: 1 17 89 1513 15493345817 263386878889 1378907777713 23441432221121