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10431000401 = 291572291017
BaseRepresentation
bin10011011011011110…
…00110111101010001
3222220221202201112012
421231233012331101
5132330314003101
64443020312305
7516330016613
oct115557067521
928827681465
1010431000401
114473033a98
1220313a2695
13ca30941b3
1470d4b6db3
15410b46bbb
hex26dbc6f51

10431000401 has 8 divisors (see below), whose sum is σ = 10859425320. Its totient is φ = 10007157888.

The previous prime is 10431000389. The next prime is 10431000421. The reversal of 10431000401 is 10400013401.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 720868801 + 9710131600 = 26849^2 + 98540^2 .

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 10431000401 - 26 = 10431000337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10431000421) 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, 1140956 + ... + 1150061.

It is an arithmetic number, because the mean of its divisors is an integer number (1357428165).

Almost surely, 210431000401 is an apocalyptic number.

It is an amenable number.

10431000401 is a deficient number, since it is larger than the sum of its proper divisors (428424919).

10431000401 is a wasteful number, since it uses less digits than its factorization.

10431000401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2291203.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 10431000401 its reverse (10400013401), we get a palindrome (20831013802).

The spelling of 10431000401 in words is "ten billion, four hundred thirty-one million, four hundred one", and thus it is an aban number.

Divisors: 1 29 157 4553 2291017 66439493 359689669 10431000401