Search a number
-
+
10204643103031 = 13784972546387
BaseRepresentation
bin1001010001111111010000…
…1000001001000100110111
31100010112222010100000021201
42110133310020021010313
52314143102113244111
633411540500553331
72102155366124656
oct224376410110467
940115863300251
1010204643103031
113284845aa7253
12118988a3b2847
135903a83a6a30
14273c9bb2b19d
1512a6a5d216c1
hex947f4209137

10204643103031 has 4 divisors (see below), whose sum is σ = 10989615649432. Its totient is φ = 9419670556632.

The previous prime is 10204643103013. The next prime is 10204643103097. The reversal of 10204643103031 is 13030134640201.

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

It is a cyclic number.

It is not a de Polignac number, because 10204643103031 - 29 = 10204643102519 is a prime.

It is a super-2 number, since 2×102046431030312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10204643103001) 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, 392486273181 + ... + 392486273206.

It is an arithmetic number, because the mean of its divisors is an integer number (2747403912358).

Almost surely, 210204643103031 is an apocalyptic number.

10204643103031 is a deficient number, since it is larger than the sum of its proper divisors (784972546401).

10204643103031 is an equidigital number, since it uses as much as digits as its factorization.

10204643103031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784972546400.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 10204643103031 its reverse (13030134640201), we get a palindrome (23234777743232).

The spelling of 10204643103031 in words is "ten trillion, two hundred four billion, six hundred forty-three million, one hundred three thousand, thirty-one".

Divisors: 1 13 784972546387 10204643103031