Search a number
-
+
40752092181 = 317799060631
BaseRepresentation
bin100101111101000000…
…111001010000010101
310220012002020210000110
4211331000321100111
51131430013422211
630415442433233
72641606032243
oct457500712025
9126162223013
1040752092181
1116312548029
127a93962819
133ac5b30418
141d88425793
1510d7a48ea6
hex97d039415

40752092181 has 8 divisors (see below), whose sum is σ = 57532365504. Its totient is φ = 25569940160.

The previous prime is 40752092179. The next prime is 40752092191. The reversal of 40752092181 is 18129025704.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40752092181 - 21 = 40752092179 is a prime.

It is a super-2 number, since 2×407520921812 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40752092131) 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, 399530265 + ... + 399530366.

It is an arithmetic number, because the mean of its divisors is an integer number (7191545688).

Almost surely, 240752092181 is an apocalyptic number.

It is an amenable number.

40752092181 is a deficient number, since it is larger than the sum of its proper divisors (16780273323).

40752092181 is a wasteful number, since it uses less digits than its factorization.

40752092181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799060651.

The product of its (nonzero) digits is 40320, while the sum is 39.

The spelling of 40752092181 in words is "forty billion, seven hundred fifty-two million, ninety-two thousand, one hundred eighty-one".

Divisors: 1 3 17 51 799060631 2397181893 13584030727 40752092181