Search a number
-
+
10214818251 = 311309539947
BaseRepresentation
bin10011000001101100…
…11100000111001011
3222100212222112100220
421200312130013023
5131404443141001
64405335001123
7511063344141
oct114066340713
928325875326
1010214818251
114371aa9160
121b90b091a3
13c6a362471
146cc8c1591
153ebb92c36
hex260d9c1cb

10214818251 has 8 divisors (see below), whose sum is σ = 14857917504. Its totient is φ = 6190798920.

The previous prime is 10214818249. The next prime is 10214818291. The reversal of 10214818251 is 15281841201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10214818251 - 21 = 10214818249 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 309539947 = 10214818251 / (1 + 0 + 2 + 1 + 4 + 8 + 1 + 8 + 2 + 5 + 1).

It is not an unprimeable number, because it can be changed into a prime (10214818231) 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, 154769941 + ... + 154770006.

It is an arithmetic number, because the mean of its divisors is an integer number (1857239688).

Almost surely, 210214818251 is an apocalyptic number.

10214818251 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10214818251 is a deficient number, since it is larger than the sum of its proper divisors (4643099253).

10214818251 is a wasteful number, since it uses less digits than its factorization.

10214818251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309539961.

The product of its (nonzero) digits is 5120, while the sum is 33.

The spelling of 10214818251 in words is "ten billion, two hundred fourteen million, eight hundred eighteen thousand, two hundred fifty-one".

Divisors: 1 3 11 33 309539947 928619841 3404939417 10214818251