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38518353878008 = 2322321591005537
BaseRepresentation
bin10001100001000010000001…
…10011001101101111111000
312001101022121022100110222111
420300201000303031233320
520022041042043044013
6213531030521502104
711053600500565414
oct1060410063155770
9161338538313874
1038518353878008
11113005a6657a04
1243a1146941934
13186535a7c4b04
14972426675d44
1546be3dd2d73d
hex230840ccdbf8

38518353878008 has 16 divisors (see below), whose sum is σ = 72545778607680. Its totient is φ = 19172812915968.

The previous prime is 38518353877957. The next prime is 38518353878027. The reversal of 38518353878008 is 80087835381583.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10795500985 + ... + 10795504552.

It is an arithmetic number, because the mean of its divisors is an integer number (4534111162980).

Almost surely, 238518353878008 is an apocalyptic number.

It is an amenable number.

38518353878008 is a deficient number, since it is larger than the sum of its proper divisors (34027424729672).

38518353878008 is a wasteful number, since it uses less digits than its factorization.

38518353878008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21591005766 (or 21591005762 counting only the distinct ones).

The product of its (nonzero) digits is 154828800, while the sum is 67.

The spelling of 38518353878008 in words is "thirty-eight trillion, five hundred eighteen billion, three hundred fifty-three million, eight hundred seventy-eight thousand, eight".

Divisors: 1 2 4 8 223 446 892 1784 21591005537 43182011074 86364022148 172728044296 4814794234751 9629588469502 19259176939004 38518353878008