Search a number
-
+
40743214731 = 342917344919
BaseRepresentation
bin100101111100011111…
…000001111010001011
310220011110112202110000
4211330133001322023
51131420230332411
630414524254043
72641440416412
oct457437017213
9126143482400
1040743214731
111630853429a
127a909a1323
133ac40427ab
141d87194479
1510d6d93956
hex97c7c1e8b

40743214731 has 20 divisors (see below), whose sum is σ = 62962059600. Its totient is φ = 26225516016.

The previous prime is 40743214709. The next prime is 40743214751. The reversal of 40743214731 is 13741234704.

40743214731 is a `hidden beast` number, since 407 + 4 + 3 + 214 + 7 + 31 = 666.

It is not a de Polignac number, because 40743214731 - 214 = 40743198347 is a prime.

It is a super-2 number, since 2×407432147312 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40743214751) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8670111 + ... + 8674808.

It is an arithmetic number, because the mean of its divisors is an integer number (3148102980).

Almost surely, 240743214731 is an apocalyptic number.

40743214731 is a deficient number, since it is larger than the sum of its proper divisors (22218844869).

40743214731 is a wasteful number, since it uses less digits than its factorization.

40743214731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17344960 (or 17344951 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The spelling of 40743214731 in words is "forty billion, seven hundred forty-three million, two hundred fourteen thousand, seven hundred thirty-one".

Divisors: 1 3 9 27 29 81 87 261 783 2349 17344919 52034757 156104271 468312813 503002651 1404938439 1509007953 4527023859 13581071577 40743214731