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20144311401 = 38380900849
BaseRepresentation
bin10010110000101100…
…011100110001101001
31220222220002001021110
4102300230130301221
5312223420431101
613130522300533
71312123551564
oct226054346151
956886061243
1020144311401
1185a7a36345
123aa2357749
131b905644b6
14d9152d4db
157cd774cd6
hex4b0b1cc69

20144311401 has 8 divisors (see below), whose sum is σ = 27182685600. Its totient is φ = 13267739072.

The previous prime is 20144311387. The next prime is 20144311489. The reversal of 20144311401 is 10411344102.

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 20144311401 - 218 = 20144049257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20144311301) 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, 40450176 + ... + 40450673.

It is an arithmetic number, because the mean of its divisors is an integer number (3397835700).

Almost surely, 220144311401 is an apocalyptic number.

It is an amenable number.

20144311401 is a deficient number, since it is larger than the sum of its proper divisors (7038374199).

20144311401 is an equidigital number, since it uses as much as digits as its factorization.

20144311401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80900935.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 20144311401 its reverse (10411344102), we get a palindrome (30555655503).

The spelling of 20144311401 in words is "twenty billion, one hundred forty-four million, three hundred eleven thousand, four hundred one".

Divisors: 1 3 83 249 80900849 242702547 6714770467 20144311401