Search a number
-
+
23313103021 = 1317919152453
BaseRepresentation
bin10101101101100100…
…011011100010101101
32020011201201100012001
4111231210123202231
5340221123244041
614413200412301
71453502051245
oct255544334255
966151640161
1023313103021
11998370339a
124627617091
132276bc7020
1411b2312b25
15916a5b131
hex56d91b8ad

23313103021 has 16 divisors (see below), whose sum is σ = 25379343360. Its totient is φ = 21287119680.

The previous prime is 23313103019. The next prime is 23313103027. The reversal of 23313103021 is 12030131332.

It is a cyclic number.

It is not a de Polignac number, because 23313103021 - 21 = 23313103019 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23313103021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23313103027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 418231 + ... + 470683.

It is an arithmetic number, because the mean of its divisors is an integer number (1586208960).

Almost surely, 223313103021 is an apocalyptic number.

It is an amenable number.

23313103021 is a deficient number, since it is larger than the sum of its proper divisors (2066240339).

23313103021 is a wasteful number, since it uses less digits than its factorization.

23313103021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52836.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 23313103021 its reverse (12030131332), we get a palindrome (35343234353).

The spelling of 23313103021 in words is "twenty-three billion, three hundred thirteen million, one hundred three thousand, twenty-one".

Divisors: 1 13 179 191 2327 2483 34189 52453 444457 681889 9389087 10018523 122058131 130240799 1793315617 23313103021