Search a number
-
+
102021122001 = 31279178714879
BaseRepresentation
bin101111100000011101…
…1101100011111010001
3100202100000201222102010
41133000323230133101
53132414401401001
6114511242413133
710241115141321
oct1370073543721
9322300658363
10102021122001
113a2a3299a67
12179328011a9
13980b470b16
144d1b657281
1529c18c08d6
hex17c0eec7d1

102021122001 has 16 divisors (see below), whose sum is σ = 136219852800. Its totient is φ = 67918308048.

The previous prime is 102021121997. The next prime is 102021122017. The reversal of 102021122001 is 100221120201.

It is not a de Polignac number, because 102021122001 - 22 = 102021121997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102021121001) 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, 6849280 + ... + 6864158.

It is an arithmetic number, because the mean of its divisors is an integer number (8513740800).

Almost surely, 2102021122001 is an apocalyptic number.

It is an amenable number.

102021122001 is a deficient number, since it is larger than the sum of its proper divisors (34198730799).

102021122001 is a wasteful number, since it uses less digits than its factorization.

102021122001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17948.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 102021122001 its reverse (100221120201), we get a palindrome (202242242202).

The spelling of 102021122001 in words is "one hundred two billion, twenty-one million, one hundred twenty-two thousand, one".

Divisors: 1 3 1279 1787 3837 5361 14879 44637 2285573 6856719 19030241 26588773 57090723 79766319 34007040667 102021122001