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40954755687 = 362213219433
BaseRepresentation
bin100110001001000101…
…111111101001100111
310220201012121011002020
4212021011333221213
51132333404140222
630451522314223
72646616452036
oct461105775147
9126635534066
1040954755687
111640698a12a
127b2b7b8973
133b28b0ab61
141da72dc71d
1510ea72c65c
hex98917fa67

40954755687 has 8 divisors (see below), whose sum is σ = 54607467504. Its totient is φ = 27302607168.

The previous prime is 40954755643. The next prime is 40954755701. The reversal of 40954755687 is 78655745904.

It is a happy number.

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

It is not a de Polignac number, because 40954755687 - 27 = 40954755559 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40954755687.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40954755887) 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, 76923 + ... + 296355.

It is an arithmetic number, because the mean of its divisors is an integer number (6825933438).

Almost surely, 240954755687 is an apocalyptic number.

40954755687 is a deficient number, since it is larger than the sum of its proper divisors (13652711817).

40954755687 is a wasteful number, since it uses less digits than its factorization.

40954755687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281649.

The product of its (nonzero) digits is 42336000, while the sum is 60.

The spelling of 40954755687 in words is "forty billion, nine hundred fifty-four million, seven hundred fifty-five thousand, six hundred eighty-seven".

Divisors: 1 3 62213 186639 219433 658299 13651585229 40954755687