Search a number
-
+
20250240216453 = 3213173078976209
BaseRepresentation
bin1001001101010111000000…
…10111111110110110000101
32122200220102001120121210200
410212223200113332312011
510123234442443411303
6111022455410241113
74160013554535102
oct446534027766605
978626361517720
1020250240216453
1164a8095752485
122330770586199
13b3b78806b130
1450018c91daa9
15251b4dd003a3
hex126ae05fed85

20250240216453 has 12 divisors (see below), whose sum is σ = 31500373670220. Its totient is φ = 12461686286976.

The previous prime is 20250240216433. The next prime is 20250240216457. The reversal of 20250240216453 is 35461204205202.

20250240216453 is a `hidden beast` number, since 2 + 0 + 2 + 5 + 0 + 2 + 4 + 0 + 2 + 1 + 645 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 12208609022724 + 8041631193729 = 3494082^2 + 2835777^2 .

It is not a de Polignac number, because 20250240216453 - 220 = 20250239167877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20250240216457) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86539487988 + ... + 86539488221.

It is an arithmetic number, because the mean of its divisors is an integer number (2625031139185).

Almost surely, 220250240216453 is an apocalyptic number.

It is an amenable number.

20250240216453 is a deficient number, since it is larger than the sum of its proper divisors (11250133453767).

20250240216453 is a wasteful number, since it uses less digits than its factorization.

20250240216453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173078976228 (or 173078976225 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The spelling of 20250240216453 in words is "twenty trillion, two hundred fifty billion, two hundred forty million, two hundred sixteen thousand, four hundred fifty-three".

Divisors: 1 3 9 13 39 117 173078976209 519236928627 1557710785881 2250026690717 6750080072151 20250240216453