Search a number
-
+
40240002230231 = 153611261960421
BaseRepresentation
bin10010010011001000110110…
…00010011110011111010111
312021110220110221110112121112
421021210123002132133113
520233243011032331411
6221330000221005235
711322146524250456
oct1111443302363727
9167426427415545
1040240002230231
1111904764227981
12461a9473b381b
13195b80126a34b
149d18ab188b9d
1549bb04e68b8b
hex24991b09e7d7

40240002230231 has 4 divisors (see below), whose sum is σ = 40240264344264. Its totient is φ = 40239740116200.

The previous prime is 40240002230177. The next prime is 40240002230243. The reversal of 40240002230231 is 13203220004204.

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 40240002230231 - 218 = 40240001968087 is a prime.

It is a super-2 number, since 2×402400022302312 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40240002230197 and 40240002230206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40240002232231) 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, 130826600 + ... + 131133821.

It is an arithmetic number, because the mean of its divisors is an integer number (10060066086066).

Almost surely, 240240002230231 is an apocalyptic number.

40240002230231 is a deficient number, since it is larger than the sum of its proper divisors (262114033).

40240002230231 is a wasteful number, since it uses less digits than its factorization.

40240002230231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262114032.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 40240002230231 its reverse (13203220004204), we get a palindrome (53443222234435).

The spelling of 40240002230231 in words is "forty trillion, two hundred forty billion, two million, two hundred thirty thousand, two hundred thirty-one".

Divisors: 1 153611 261960421 40240002230231