Base | Representation |
---|---|
bin | 10100011000111001011… |
… | …101101110001001011001 |
3 | 11221221112200221000002110 |
4 | 110120321131232021121 |
5 | 140424000044243001 |
6 | 2551400041422533 |
7 | 203141100442050 |
oct | 24307135561131 |
9 | 4857480830073 |
10 | 1401123431001 |
11 | 4a0238716668 |
12 | 1a766949aa49 |
13 | a218259c848 |
14 | 4bb598c7397 |
15 | 266a6ac33d6 |
hex | 1463976e259 |
1401123431001 has 128 divisors (see below), whose sum is σ = 2375171112960. Its totient is φ = 716212224000.
The previous prime is 1401123430951. The next prime is 1401123431027. The reversal of 1401123431001 is 1001343211041.
It is not a de Polignac number, because 1401123431001 - 214 = 1401123414617 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (1401123431401) by changing a digit.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 718155576 + ... + 718157526.
It is an arithmetic number, because the mean of its divisors is an integer number (18556024320).
Almost surely, 21401123431001 is an apocalyptic number.
It is an amenable number.
1401123431001 is a deficient number, since it is larger than the sum of its proper divisors (974047681959).
1401123431001 is a wasteful number, since it uses less digits than its factorization.
1401123431001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3055.
The product of its (nonzero) digits is 288, while the sum is 21.
Adding to 1401123431001 its reverse (1001343211041), we get a palindrome (2402466642042).
The spelling of 1401123431001 in words is "one trillion, four hundred one billion, one hundred twenty-three million, four hundred thirty-one thousand, one".
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