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40356243606053 = 1721611664965981
BaseRepresentation
bin10010010110100001010111…
…00100001000101000100101
312021220000112000010021001002
421023100223210020220211
520242144041330343203
6221455222525043045
711333433223532054
oct1113205344105045
9167800460107032
1040356243606053
1111949a94481021
1246393883b6485
13196976784612b
149d737725039b
1549eb59e77d88
hex24b42b908a25

40356243606053 has 16 divisors (see below), whose sum is σ = 42753129274800. Its totient is φ = 37961914982400.

The previous prime is 40356243606043. The next prime is 40356243606067. The reversal of 40356243606053 is 35060634265304.

It can be written as a sum of positive squares in 8 ways, for example, as 9786148271524 + 30570095334529 = 3128282^2 + 5529023^2 .

It is a cyclic number.

It is not a de Polignac number, because 40356243606053 - 26 = 40356243605989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40356243605989 and 40356243606007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40356243606043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 611601323 + ... + 611667303.

It is an arithmetic number, because the mean of its divisors is an integer number (2672070579675).

Almost surely, 240356243606053 is an apocalyptic number.

It is an amenable number.

40356243606053 is a deficient number, since it is larger than the sum of its proper divisors (2396885668747).

40356243606053 is a wasteful number, since it uses less digits than its factorization.

40356243606053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84808.

The product of its (nonzero) digits is 4665600, while the sum is 47.

The spelling of 40356243606053 in words is "forty trillion, three hundred fifty-six billion, two hundred forty-three million, six hundred six thousand, fifty-three".

Divisors: 1 17 2161 16649 36737 65981 283033 1121677 35978489 142584941 611634313 1098517669 2423943997 18674800373 2373896682709 40356243606053