Search a number
-
+
20095898045 = 5633972
BaseRepresentation
bin10010101101110011…
…110001000110111101
31220212111222101122012
4102231303301012331
5312124022214140
613122032501005
71310665213016
oct225563610675
956774871565
1020095898045
118582679703
123a8a0aa765
131b83513342
14d88d2a00d
157c93b0265
hex4adcf11bd

20095898045 has 6 divisors (see below), whose sum is σ = 24115458042. Its totient is φ = 16076464848.

The previous prime is 20095898027. The next prime is 20095898057. The reversal of 20095898045 is 54089859002.

It can be written as a sum of positive squares in 3 ways, for example, as 747366244 + 19348531801 = 27338^2 + 139099^2 .

It is not a de Polignac number, because 20095898045 - 26 = 20095897981 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20095897984 and 20095898002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 285287 + ... + 348683.

It is an arithmetic number, because the mean of its divisors is an integer number (4019243007).

Almost surely, 220095898045 is an apocalyptic number.

It is an amenable number.

20095898045 is a deficient number, since it is larger than the sum of its proper divisors (4019559997).

20095898045 is an frugal number, since it uses more digits than its factorization.

20095898045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126799 (or 63402 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 50.

The spelling of 20095898045 in words is "twenty billion, ninety-five million, eight hundred ninety-eight thousand, forty-five".

Divisors: 1 5 63397 316985 4019179609 20095898045