Search a number
-
+
10401452421 = 3109136723269
BaseRepresentation
bin10011010111111100…
…11001000110000101
3222211220011112022120
421223332121012011
5132300232434141
64440043120153
7515520613113
oct115376310605
928756145276
1010401452421
114458392178
122023513059
13c99c19b99
147095c4ab3
1540d25bc66
hex26bf99185

10401452421 has 16 divisors (see below), whose sum is σ = 14006678400. Its totient is φ = 6865363008.

The previous prime is 10401452387. The next prime is 10401452423. The reversal of 10401452421 is 12425410401.

It is not a de Polignac number, because 10401452421 - 27 = 10401452293 is a prime.

It is a super-2 number, since 2×104014524212 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10401452391 and 10401452400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10401452423) 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, 435375 + ... + 458643.

It is an arithmetic number, because the mean of its divisors is an integer number (875417400).

Almost surely, 210401452421 is an apocalyptic number.

It is an amenable number.

10401452421 is a deficient number, since it is larger than the sum of its proper divisors (3605225979).

10401452421 is a wasteful number, since it uses less digits than its factorization.

10401452421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24748.

The product of its (nonzero) digits is 1280, while the sum is 24.

Adding to 10401452421 its reverse (12425410401), we get a palindrome (22826862822).

The spelling of 10401452421 in words is "ten billion, four hundred one million, four hundred fifty-two thousand, four hundred twenty-one".

Divisors: 1 3 109 327 1367 4101 23269 69807 149003 447009 2536321 7608963 31808723 95426169 3467150807 10401452421