Search a number
-
+
57120010012779 = 37171931715111587
BaseRepresentation
bin11001111110011010010011…
…11010000000100001101011
321111020121201201010112222020
430333031021322000201223
524441323240030402104
6321252323105555523
715013533045105450
oct1477151172004153
9244217651115866
1057120010012779
111722250759a27a
1264a62a7945ba3
1325b451733028c
1410168a2231827
15690c511412d9
hex33f349e8086b

57120010012779 has 64 divisors (see below), whose sum is σ = 92228596088832. Its totient is φ = 30697153344000.

The previous prime is 57120010012771. The next prime is 57120010012783. The reversal of 57120010012779 is 97721001002175.

57120010012779 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 57120010012779 - 23 = 57120010012771 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57120010012779.

It is not an unprimeable number, because it can be changed into a prime (57120010012771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4929657624 + ... + 4929669210.

It is an arithmetic number, because the mean of its divisors is an integer number (1441071813888).

Almost surely, 257120010012779 is an apocalyptic number.

57120010012779 is a deficient number, since it is larger than the sum of its proper divisors (35108586076053).

57120010012779 is a wasteful number, since it uses less digits than its factorization.

57120010012779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20696.

The product of its (nonzero) digits is 61740, while the sum is 42.

The spelling of 57120010012779 in words is "fifty-seven trillion, one hundred twenty billion, ten million, twelve thousand, seven hundred seventy-nine".

Divisors: 1 3 7 17 21 51 119 357 1931 5793 7151 11587 13517 21453 32827 34761 40551 50057 81109 98481 121567 150171 196979 229789 243327 364701 590937 689367 850969 1378853 2552907 4136559 13808581 22374497 41425743 67123491 82858637 96660067 156621479 234745877 248575911 289980201 380366449 469864437 580010459 704237631 1141099347 1408596829 1643221139 1740031377 2662565143 4225790487 4929663417 7987695429 9860177803 29580533409 160000028047 480000084141 1120000196329 2720000476799 3360000588987 8160001430397 19040003337593 57120010012779