Search a number
-
+
38505055000055 = 5754714591378501
BaseRepresentation
bin10001100000101001010000…
…01000000001010111110111
312001100001021111011111001012
420300110220020001113313
520021331323040000210
6213520551132422435
711052620105153450
oct1060245010012767
9161301244144035
1038505055000055
11112a59a17a5086
12439a655017a1b
13186401b528c67
1497192434a127
1546b911540305
hex2305282015f7

38505055000055 has 32 divisors (see below), whose sum is σ = 52939770247680. Its totient is φ = 26337113712000.

The previous prime is 38505055000051. The next prime is 38505055000079. The reversal of 38505055000055 is 55000055050583.

It is not a de Polignac number, because 38505055000055 - 22 = 38505055000051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38505054999976 and 38505055000021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38505055000051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27243305 + ... + 28621805.

It is an arithmetic number, because the mean of its divisors is an integer number (1654367820240).

Almost surely, 238505055000055 is an apocalyptic number.

38505055000055 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

38505055000055 is a deficient number, since it is larger than the sum of its proper divisors (14434715247625).

38505055000055 is a wasteful number, since it uses less digits than its factorization.

38505055000055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1380519.

The product of its (nonzero) digits is 375000, while the sum is 41.

The spelling of 38505055000055 in words is "thirty-eight trillion, five hundred five billion, fifty-five million, fifty-five", and thus it is an aban number.

Divisors: 1 5 7 35 547 1459 2735 3829 7295 10213 19145 51065 798073 1378501 3990365 5586511 6892505 9649507 27932555 48247535 754040047 2011232959 3770200235 5278280329 10056164795 14078630713 26391401645 70393153565 1100144428573 5500722142865 7701011000011 38505055000055