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40788108371 = 471319657947
BaseRepresentation
bin100101111111001010…
…010010010001010011
310220021121000120221102
4211333022102101103
51132013223431441
630423210415015
72642524125563
oct457712222123
9126247016842
1040788108371
111633090757a
127aa3a3146b
133b0043088a
141d8d11cda3
1510dacb069b
hex97f292453

40788108371 has 8 divisors (see below), whose sum is σ = 41687585280. Its totient is φ = 39889950088.

The previous prime is 40788108367. The next prime is 40788108397. The reversal of 40788108371 is 17380188704.

40788108371 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 40788108371 - 22 = 40788108367 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40788108331) 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, 266981 + ... + 390966.

It is an arithmetic number, because the mean of its divisors is an integer number (5210948160).

Almost surely, 240788108371 is an apocalyptic number.

40788108371 is a deficient number, since it is larger than the sum of its proper divisors (899476909).

40788108371 is a wasteful number, since it uses less digits than its factorization.

40788108371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659313.

The product of its (nonzero) digits is 301056, while the sum is 47.

The spelling of 40788108371 in words is "forty billion, seven hundred eighty-eight million, one hundred eight thousand, three hundred seventy-one".

Divisors: 1 47 1319 61993 657947 30923509 867832093 40788108371