Search a number
-
+
21232301013230 = 2510284792064437
BaseRepresentation
bin1001101001111100001111…
…10000100111100011101110
32210011210021120020002202112
410310332013300213203232
510240332223024410410
6113053552345324022
74320661132555106
oct464760760474356
983153246202675
1021232301013230
11684662844048a
12246ab66796612
13bb02748a1c08
14535912644206
1526c47a6bc105
hex134f87c278ee

21232301013230 has 16 divisors (see below), whose sum is σ = 38218197496320. Its totient is φ = 8492908033632.

The previous prime is 21232301013191. The next prime is 21232301013233. The reversal of 21232301013230 is 3231010323212.

It is a junction number, because it is equal to n+sod(n) for n = 21232301013196 and 21232301013205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21232301013233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9252572 + ... + 11317008.

It is an arithmetic number, because the mean of its divisors is an integer number (2388637343520).

Almost surely, 221232301013230 is an apocalyptic number.

21232301013230 is a deficient number, since it is larger than the sum of its proper divisors (16985896483090).

21232301013230 is a wasteful number, since it uses less digits than its factorization.

21232301013230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3092923.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 21232301013230 its reverse (3231010323212), we get a palindrome (24463311336442).

The spelling of 21232301013230 in words is "twenty-one trillion, two hundred thirty-two billion, three hundred one million, thirteen thousand, two hundred thirty".

Divisors: 1 2 5 10 1028479 2056958 2064437 4128874 5142395 10284790 10322185 20644370 2123230101323 4246460202646 10616150506615 21232301013230