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40870797061 = 173358171593
BaseRepresentation
bin100110000100000101…
…101101111100000101
310220111100121121111111
4212010011231330011
51132200411001221
630435323005021
72644550020513
oct460405557405
9126440547444
1040870797061
1116373554836
127b07669771
133b145c29b3
141d9a0c54b3
1510e3195be1
hex98416df05

40870797061 has 8 divisors (see below), whose sum is σ = 43276854744. Its totient is φ = 38464949760.

The previous prime is 40870797053. The next prime is 40870797083. The reversal of 40870797061 is 16079707804.

It can be written as a sum of positive squares in 4 ways, for example, as 833188225 + 40037608836 = 28865^2 + 200094^2 .

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 40870797061 - 23 = 40870797053 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40870796996 and 40870797014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40870707061) 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, 535081 + ... + 606673.

It is an arithmetic number, because the mean of its divisors is an integer number (5409606843).

Almost surely, 240870797061 is an apocalyptic number.

It is an amenable number.

40870797061 is a deficient number, since it is larger than the sum of its proper divisors (2406057683).

40870797061 is a wasteful number, since it uses less digits than its factorization.

40870797061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105191.

The product of its (nonzero) digits is 592704, while the sum is 49.

The spelling of 40870797061 in words is "forty billion, eight hundred seventy million, seven hundred ninety-seven thousand, sixty-one".

Divisors: 1 17 33581 71593 570877 1217081 2404164533 40870797061