Search a number
-
+
1838274638214 = 237419635916427
BaseRepresentation
bin11010110000000001101…
…101001111000110000110
320111201220112001020112210
4122300001231033012012
5220104241301410324
63524254113124250
7246545105416410
oct32600155170606
96451815036483
101838274638214
116496761228a3
1225832a559686
1310446ba0b421
1464d89b719b0
1532c3ed2bd29
hex1ac01b4f186

1838274638214 has 64 divisors (see below), whose sum is σ = 4212717465600. Its totient is φ = 523853524128.

The previous prime is 1838274638203. The next prime is 1838274638257. The reversal of 1838274638214 is 4128364728381.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111897469 + ... + 111913895.

It is an arithmetic number, because the mean of its divisors is an integer number (65823710400).

Almost surely, 21838274638214 is an apocalyptic number.

1838274638214 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1838274638214 is an abundant number, since it is smaller than the sum of its proper divisors (2374442827386).

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

1838274638214 is a wasteful number, since it uses less digits than its factorization.

1838274638214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23217.

The product of its digits is 12386304, while the sum is 57.

The spelling of 1838274638214 in words is "one trillion, eight hundred thirty-eight billion, two hundred seventy-four million, six hundred thirty-eight thousand, two hundred fourteen".

Divisors: 1 2 3 6 7 14 21 42 419 838 1257 2514 2933 5866 6359 8799 12718 16427 17598 19077 32854 38154 44513 49281 89026 98562 114989 133539 229978 267078 344967 689934 2664421 5328842 6882913 7993263 13765826 15986526 18650947 20648739 37301894 41297478 48180391 55952841 96360782 104459293 111905682 144541173 208918586 289082346 313377879 626755758 731215051 1462430102 2193645153 4387290306 43768443767 87536887534 131305331301 262610662602 306379106369 612758212738 919137319107 1838274638214