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40106877257 = 211190079987
BaseRepresentation
bin100101010110100011…
…100110000101001001
310211112010011110112102
4211112203212011021
51124114330033012
630231433323145
72616612555206
oct452643460511
9124463143472
1040106877257
1116011317557
1279338664b5
133a22263445
141d2686ccad
15109b0992c2
hex9568e6149

40106877257 has 4 divisors (see below), whose sum is σ = 40296957456. Its totient is φ = 39916797060.

The previous prime is 40106877227. The next prime is 40106877259. The reversal of 40106877257 is 75277860104.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40106877257 - 26 = 40106877193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40106877259) 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, 95039783 + ... + 95040204.

It is an arithmetic number, because the mean of its divisors is an integer number (10074239364).

Almost surely, 240106877257 is an apocalyptic number.

It is an amenable number.

40106877257 is a deficient number, since it is larger than the sum of its proper divisors (190080199).

40106877257 is a wasteful number, since it uses less digits than its factorization.

40106877257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190080198.

The product of its (nonzero) digits is 658560, while the sum is 47.

The spelling of 40106877257 in words is "forty billion, one hundred six million, eight hundred seventy-seven thousand, two hundred fifty-seven".

Divisors: 1 211 190079987 40106877257