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1993930882495 = 523277163738237
BaseRepresentation
bin11101000000111111100…
…010101011110110111111
321001121200110201201220021
4131000333202223312333
5230132032301214440
64123555454433011
7264025315566646
oct35007742536677
97047613651807
101993930882495
116a9692001aa2
1228252b502767
13116047078696
146c71480c35d
1536d0029084a
hex1d03f8abdbf

1993930882495 has 32 divisors (see below), whose sum is σ = 2507358043008. Its totient is φ = 1519313883648.

The previous prime is 1993930882459. The next prime is 1993930882511. The reversal of 1993930882495 is 5942880393991.

It is not a de Polignac number, because 1993930882495 - 223 = 1993922493887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52127517 + ... + 52165753.

It is an arithmetic number, because the mean of its divisors is an integer number (78354938844).

Almost surely, 21993930882495 is an apocalyptic number.

1993930882495 is a deficient number, since it is larger than the sum of its proper divisors (513427160513).

1993930882495 is a wasteful number, since it uses less digits than its factorization.

1993930882495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40179.

The product of its (nonzero) digits is 151165440, while the sum is 70.

The spelling of 1993930882495 in words is "one trillion, nine hundred ninety-three billion, nine hundred thirty million, eight hundred eighty-two thousand, four hundred ninety-five".

Divisors: 1 5 23 115 277 1385 1637 6371 8185 31855 37651 38237 188255 191185 453449 879451 2267245 4397255 10429327 10591649 52146635 52958245 62593969 243607927 312969845 1218039635 1439661287 7198306435 17338529413 86692647065 398786176499 1993930882495