Search a number
-
+
38345638710390 = 23511116198905183
BaseRepresentation
bin10001011100000000010100…
…01011001000110001110110
312000202210210111021220002120
420232000022023020301312
520011223332002213030
6213315424312220410
711035244450102604
oct1056001213106166
9160683714256076
1038345638710390
1111244326424160
12437378499a706
131851c941a358b
14967d2017c874
154676d0e54010
hex22e00a2c8c76

38345638710390 has 32 divisors (see below), whose sum is σ = 100395854078976. Its totient is φ = 9295912414560.

The previous prime is 38345638710343. The next prime is 38345638710433. The reversal of 38345638710390 is 9301783654383.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58099452262 + ... + 58099452921.

It is an arithmetic number, because the mean of its divisors is an integer number (3137370439968).

Almost surely, 238345638710390 is an apocalyptic number.

38345638710390 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

38345638710390 is an abundant number, since it is smaller than the sum of its proper divisors (62050215368586).

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

38345638710390 is a wasteful number, since it uses less digits than its factorization.

38345638710390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116198905204.

The product of its (nonzero) digits is 39191040, while the sum is 60.

The spelling of 38345638710390 in words is "thirty-eight trillion, three hundred forty-five billion, six hundred thirty-eight million, seven hundred ten thousand, three hundred ninety".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 330 116198905183 232397810366 348596715549 580994525915 697193431098 1161989051830 1278187957013 1742983577745 2556375914026 3485967155490 3834563871039 6390939785065 7669127742078 12781879570130 19172819355195 38345638710390