Search a number
-
+
10240020223231 = 100391020023929
BaseRepresentation
bin1001010100000011000011…
…0001001001010011111111
31100020221021121121220212211
42111000300301021103333
52320233030134120411
633440111135241251
72104550150521051
oct225006061112377
940227247556784
1010240020223231
11329884a506277
121194702079227
1359382578ab56
142758963638d1
1512b576a46221
hex95030c494ff

10240020223231 has 4 divisors (see below), whose sum is σ = 10241040257200. Its totient is φ = 10239000189264.

The previous prime is 10240020223201. The next prime is 10240020223249. The reversal of 10240020223231 is 13232202004201.

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 10240020223231 - 223 = 10240011834623 is a prime.

It is a super-2 number, since 2×102400202232312 (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 (10240020223201) 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, 510001926 + ... + 510022003.

It is an arithmetic number, because the mean of its divisors is an integer number (2560260064300).

Almost surely, 210240020223231 is an apocalyptic number.

10240020223231 is a deficient number, since it is larger than the sum of its proper divisors (1020033969).

10240020223231 is a wasteful number, since it uses less digits than its factorization.

10240020223231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020033968.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 10240020223231 its reverse (13232202004201), we get a palindrome (23472222227432).

The spelling of 10240020223231 in words is "ten trillion, two hundred forty billion, twenty million, two hundred twenty-three thousand, two hundred thirty-one".

Divisors: 1 10039 1020023929 10240020223231