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38820570861995 = 5131942174664277
BaseRepresentation
bin10001101001110100111100…
…10101100001000110101011
312002110012200022220222000122
420310322132111201012223
520042014012120040440
6214321531332353455
711114456635555166
oct1064723625410653
9162405608828018
1038820570861995
111140779122407a
12442b82a77588b
1318879c1a20760
14982cd5dd6add
15474c2ae617b5
hex234e9e5611ab

38820570861995 has 32 divisors (see below), whose sum is σ = 52933986530880. Its totient is φ = 27094172474880.

The previous prime is 38820570861991. The next prime is 38820570861997. The reversal of 38820570861995 is 59916807502883.

38820570861995 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 38820570861995 - 22 = 38820570861991 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38820570861991) 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 31 ways as a sum of consecutive naturals, for example, 36812204 + ... + 37852073.

It is an arithmetic number, because the mean of its divisors is an integer number (1654187079090).

Almost surely, 238820570861995 is an apocalyptic number.

38820570861995 is a deficient number, since it is larger than the sum of its proper divisors (14113415668885).

38820570861995 is a wasteful number, since it uses less digits than its factorization.

38820570861995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74664735.

The product of its (nonzero) digits is 261273600, while the sum is 71.

The spelling of 38820570861995 in words is "thirty-eight trillion, eight hundred twenty billion, five hundred seventy million, eight hundred sixty-one thousand, nine hundred ninety-five".

Divisors: 1 5 13 19 65 95 247 421 1235 2105 5473 7999 27365 39995 103987 519935 74664277 373321385 970635601 1418621263 4853178005 7093106315 18442076419 31433660617 92210382095 157168303085 408637588021 597239551723 2043187940105 2986197758615 7764114172399 38820570861995