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40020755671331 = 195166894076641
BaseRepresentation
bin10010001100110000011101…
…11011001110100100100011
312020200221120021101100202022
421012120032323032210203
520221200001422440311
6221041140434212055
711300255430250031
oct1106301673164443
9166627507340668
1040020755671331
111182a786268156
1245a435a12402b
131943c306a43a6
149c502ccab551
15496071ea55db
hex24660eece923

40020755671331 has 8 divisors (see below), whose sum is σ = 42127203099600. Its totient is φ = 37914317429760.

The previous prime is 40020755671291. The next prime is 40020755671343. The reversal of 40020755671331 is 13317655702004.

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

It is a de Polignac number, because none of the positive numbers 2k-40020755671331 is a prime.

It is a super-2 number, since 2×400207556713312 (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 (40020755671381) 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, 7778771 + ... + 11855411.

It is an arithmetic number, because the mean of its divisors is an integer number (5265900387450).

Almost surely, 240020755671331 is an apocalyptic number.

40020755671331 is a deficient number, since it is larger than the sum of its proper divisors (2106447428269).

40020755671331 is a wasteful number, since it uses less digits than its factorization.

40020755671331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4593349.

The product of its (nonzero) digits is 529200, while the sum is 44.

The spelling of 40020755671331 in words is "forty trillion, twenty billion, seven hundred fifty-five million, six hundred seventy-one thousand, three hundred thirty-one".

Divisors: 1 19 516689 4076641 9817091 77456179 2106355561649 40020755671331