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453420201631 = 2292831977557
BaseRepresentation
bin1101001100100011111…
…00110011011010011111
31121100100122002210020011
412212101330303122133
524412101032423011
6544144240304051
744521114060045
oct6462174633237
91540318083204
10453420201631
11165326979571
1273a61612027
13339acb57cc7
1417d34c3c395
15bbdb686621
hex6991f3369f

453420201631 has 4 divisors (see below), whose sum is σ = 453422408472. Its totient is φ = 453417994792.

The previous prime is 453420201601. The next prime is 453420201667. The reversal of 453420201631 is 136102024354.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 453420201631 - 213 = 453420193439 is a prime.

It is a super-2 number, since 2×4534202016312 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 453420201593 and 453420201602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (453420201601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 759496 + ... + 1218061.

It is an arithmetic number, because the mean of its divisors is an integer number (113355602118).

Almost surely, 2453420201631 is an apocalyptic number.

453420201631 is a deficient number, since it is larger than the sum of its proper divisors (2206841).

453420201631 is a wasteful number, since it uses less digits than its factorization.

453420201631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2206840.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 453420201631 its reverse (136102024354), we get a palindrome (589522225985).

The spelling of 453420201631 in words is "four hundred fifty-three billion, four hundred twenty million, two hundred one thousand, six hundred thirty-one".

Divisors: 1 229283 1977557 453420201631