Search a number
-
+
10212105747 = 33404035249
BaseRepresentation
bin10011000001011000…
…00101111000010011
3222100200212201111210
421200230011320103
5131403244340442
64405200511203
7511031316024
oct114054057023
928320781453
1010212105747
114370516218
121b9001b503
13c6992292c
146cc3b6c4b
153eb80919c
hex260b05e13

10212105747 has 4 divisors (see below), whose sum is σ = 13616141000. Its totient is φ = 6808070496.

The previous prime is 10212105677. The next prime is 10212105767. The reversal of 10212105747 is 74750121201.

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

It is not a de Polignac number, because 10212105747 - 216 = 10212040211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10212105767) 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, 1702017622 + ... + 1702017627.

It is an arithmetic number, because the mean of its divisors is an integer number (3404035250).

Almost surely, 210212105747 is an apocalyptic number.

10212105747 is a deficient number, since it is larger than the sum of its proper divisors (3404035253).

10212105747 is an equidigital number, since it uses as much as digits as its factorization.

10212105747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3404035252.

The product of its (nonzero) digits is 3920, while the sum is 30.

Adding to 10212105747 its reverse (74750121201), we get a palindrome (84962226948).

The spelling of 10212105747 in words is "ten billion, two hundred twelve million, one hundred five thousand, seven hundred forty-seven".

Divisors: 1 3 3404035249 10212105747