Search a number
-
+
14003500421 = 79193918443
BaseRepresentation
bin11010000101010110…
…00111010110000101
31100010221001112020202
431002223013112011
5212134344003141
610233315340245
71004006534561
oct150253072605
940127045222
1014003500421
115a3667a149
1228698b1685
131422266231
1496bb486a1
1556e5c549b
hex342ac7585

14003500421 has 8 divisors (see below), whose sum is σ = 14254250880. Its totient is φ = 13754587392.

The previous prime is 14003500411. The next prime is 14003500439. The reversal of 14003500421 is 12400530041.

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 14003500421 - 214 = 14003484037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14003500393 and 14003500402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14003500411) 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, 443975 + ... + 474468.

It is an arithmetic number, because the mean of its divisors is an integer number (1781781360).

Almost surely, 214003500421 is an apocalyptic number.

It is an amenable number.

14003500421 is a deficient number, since it is larger than the sum of its proper divisors (250750459).

14003500421 is an equidigital number, since it uses as much as digits as its factorization.

14003500421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918715.

The product of its (nonzero) digits is 480, while the sum is 20.

The spelling of 14003500421 in words is "fourteen billion, three million, five hundred thousand, four hundred twenty-one".

Divisors: 1 79 193 15247 918443 72556997 177259499 14003500421