Search a number
-
+
102001233020 = 22525391200861
BaseRepresentation
bin101111011111110111…
…1110100110001111100
3100202021122022111212012
41132333233310301330
53132344303424040
6114505252230352
710240454114051
oct1367757646174
9322248274765
10102001233020
113a293045095
121792800b3b8
1398072c90ab
144d18b5b028
1529bec92865
hex17bfbf4c7c

102001233020 has 24 divisors (see below), whose sum is σ = 214212091968. Its totient is φ = 40798683200.

The previous prime is 102001233017. The next prime is 102001233023. The reversal of 102001233020 is 20332100201.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (102001233017) and next prime (102001233023).

It is a junction number, because it is equal to n+sod(n) for n = 102001232986 and 102001233004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102001233023) 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, 407390 + ... + 608250.

It is an arithmetic number, because the mean of its divisors is an integer number (8925503832).

Almost surely, 2102001233020 is an apocalyptic number.

102001233020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102001233020 is an abundant number, since it is smaller than the sum of its proper divisors (112210858948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102001233020 is a wasteful number, since it uses less digits than its factorization.

102001233020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226261 (or 226259 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 102001233020 its reverse (20332100201), we get a palindrome (122333333221).

The spelling of 102001233020 in words is "one hundred two billion, one million, two hundred thirty-three thousand, twenty".

Divisors: 1 2 4 5 10 20 25391 50782 101564 126955 200861 253910 401722 507820 803444 1004305 2008610 4017220 5100061651 10200123302 20400246604 25500308255 51000616510 102001233020