Search a number
-
+
103012310003221 = 116388574643167
BaseRepresentation
bin10111011011000001101100…
…001001010010111000010101
3111111201212210000000202120001
4113123001230021102320111
5102000223202330100341
61003031111340211301
730461252033534503
oct2733015411227025
9444655700022501
10103012310003221
112a906303520533
12b678586239b31
1345630330cb608
141b61b72981673
15bd98beabbd31
hex5db06c252e15

103012310003221 has 4 divisors (see below), whose sum is σ = 103100884647552. Its totient is φ = 102923735358892.

The previous prime is 103012310003219. The next prime is 103012310003227. The reversal of 103012310003221 is 122300013210301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 103012310003221 - 21 = 103012310003219 is a prime.

It is a super-2 number, since 2×1030123100032212 (a number of 29 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 (103012310003227) 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, 44287320421 + ... + 44287322746.

It is an arithmetic number, because the mean of its divisors is an integer number (25775221161888).

Almost surely, 2103012310003221 is an apocalyptic number.

It is an amenable number.

103012310003221 is a deficient number, since it is larger than the sum of its proper divisors (88574644331).

103012310003221 is an equidigital number, since it uses as much as digits as its factorization.

103012310003221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88574644330.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 103012310003221 its reverse (122300013210301), we get a palindrome (225312323213522).

The spelling of 103012310003221 in words is "one hundred three trillion, twelve billion, three hundred ten million, three thousand, two hundred twenty-one".

Divisors: 1 1163 88574643167 103012310003221