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37845381459601 = 157545414419673
BaseRepresentation
bin10001001101011100100001…
…00001001010111010010001
311221222222112201000111010001
420212232100201022322101
514430024320123201401
6212253532255210001
710654144555452022
oct1046562041127221
9157888481014101
1037845381459601
1111071155230401
1242b2831816901
131816a5b974a01
1494ba24b12c49
154596a2958601
hex226b9084ae91

37845381459601 has 8 divisors (see below), whose sum is σ = 38087141770664. Its totient is φ = 37603630097280.

The previous prime is 37845381459563. The next prime is 37845381459617. The reversal of 37845381459601 is 10695418354873.

It is a Cunningham number, because it is equal to 61518602+1.

It can be written as a sum of positive squares in 4 ways, for example, as 1 + 37845381459600 = 1^2 + 6151860^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-37845381459601 is a prime.

It is a super-2 number, since 2×378453814596012 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (37845381459631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6353101 + ... + 10772773.

It is an arithmetic number, because the mean of its divisors is an integer number (4760892721333).

Almost surely, 237845381459601 is an apocalyptic number.

It is an amenable number.

37845381459601 is a deficient number, since it is larger than the sum of its proper divisors (241760311063).

37845381459601 is a wasteful number, since it uses less digits than its factorization.

37845381459601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4474371.

The product of its (nonzero) digits is 87091200, while the sum is 64.

The spelling of 37845381459601 in words is "thirty-seven trillion, eight hundred forty-five billion, three hundred eighty-one million, four hundred fifty-nine thousand, six hundred one".

Divisors: 1 157 54541 4419673 8562937 693888661 241053385093 37845381459601