Search a number
-
+
38377865111040 = 29385721317211
BaseRepresentation
bin10001011100111100010110…
…00001000110011000000000
312000212212222101221200000000
420232132023001012120000
520012240331432023130
6213342314200000000
711040465163015500
oct1056361301063000
9160785871850000
1038377865111040
1111256a63389a24
124379a79460000
13185502b8b18c0
149696da177a00
1546846a262260
hex22e78b046600

38377865111040 has 4320 divisors, whose sum is σ = 183940504491744. Its totient is φ = 7584877117440.

The previous prime is 38377865111011. The next prime is 38377865111051. The reversal of 38377865111040 is 4011156877383.

38377865111040 is a `hidden beast` number, since 3 + 8 + 3 + 7 + 7 + 86 + 511 + 1 + 0 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (4320).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 431 ways as a sum of consecutive naturals, for example, 181885616535 + ... + 181885616745.

Almost surely, 238377865111040 is an apocalyptic number.

38377865111040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38377865111040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91970252245872).

38377865111040 is an abundant number, since it is smaller than the sum of its proper divisors (145562639380704).

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

38377865111040 is an equidigital number, since it uses as much as digits as its factorization.

38377865111040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302 (or 258 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 54.

The spelling of 38377865111040 in words is "thirty-eight trillion, three hundred seventy-seven billion, eight hundred sixty-five million, one hundred eleven thousand, forty".