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38685117248140 = 22511529733196421
BaseRepresentation
bin10001100101111000101001…
…01010111111001010001100
312001222021001100001102121111
420302330110222333022030
520032304110003420030
6214135410355341404
711101623161053036
oct1062742452771214
9161867040042544
1038685117248140
11113652a2193160
1244095275b1864
131877cb602679c
1497a52650ac56
1547144e44262a
hex232f14abf28c

38685117248140 has 48 divisors (see below), whose sum is σ = 88640820453024. Its totient is φ = 14064659225600.

The previous prime is 38685117248083. The next prime is 38685117248147. The reversal of 38685117248140 is 4184271158683.

38685117248140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (38685117248147) 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 15 ways as a sum of consecutive naturals, for example, 15432871 + ... + 17763550.

It is an arithmetic number, because the mean of its divisors is an integer number (1846683759438).

Almost surely, 238685117248140 is an apocalyptic number.

It is an amenable number.

38685117248140 is an abundant number, since it is smaller than the sum of its proper divisors (49955703204884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38685117248140 is a wasteful number, since it uses less digits than its factorization.

38685117248140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33201738 (or 33201736 counting only the distinct ones).

The product of its (nonzero) digits is 10321920, while the sum is 58.

The spelling of 38685117248140 in words is "thirty-eight trillion, six hundred eighty-five billion, one hundred seventeen million, two hundred forty-eight thousand, one hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 5297 10594 21188 26485 52970 58267 105940 116534 233068 291335 582670 1165340 33196421 66392842 132785684 165982105 331964210 365160631 663928420 730321262 1460642524 1825803155 3651606310 7303212620 175841442037 351682884074 703365768148 879207210185 1758414420370 1934255862407 3516828840740 3868511724814 7737023449628 9671279312035 19342558624070 38685117248140