Search a number
-
+
102020013233 = 176001177249
BaseRepresentation
bin101111100000011011…
…1011101110010110001
3100202022221122122110122
41133000313131302301
53132414110410413
6114511202540025
710241102542625
oct1370067356261
9322287578418
10102020013233
113a2a2701a26
1217932367615
13980b173248
144d1b449185
1529c1752108
hex17c0dddcb1

102020013233 has 4 divisors (see below), whose sum is σ = 108021190500. Its totient is φ = 96018835968.

The previous prime is 102020013223. The next prime is 102020013289. The reversal of 102020013233 is 332310020201.

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

It can be written as a sum of positive squares in 2 ways, for example, as 74350019584 + 27669993649 = 272672^2 + 166343^2 .

It is a cyclic number.

It is not a de Polignac number, because 102020013233 - 210 = 102020012209 is a prime.

It is a super-2 number, since 2×1020200132332 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 6001177249 = 102020013233 / (1 + 0 + 2 + 0 + 2 + 0 + 0 + 1 + 3 + 2 + 3 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102020013203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3000588608 + ... + 3000588641.

It is an arithmetic number, because the mean of its divisors is an integer number (27005297625).

Almost surely, 2102020013233 is an apocalyptic number.

It is an amenable number.

102020013233 is a deficient number, since it is larger than the sum of its proper divisors (6001177267).

102020013233 is an equidigital number, since it uses as much as digits as its factorization.

102020013233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6001177266.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 102020013233 its reverse (332310020201), we get a palindrome (434330033434).

The spelling of 102020013233 in words is "one hundred two billion, twenty million, thirteen thousand, two hundred thirty-three".

Divisors: 1 17 6001177249 102020013233