Search a number
-
+
21131402143114 = 2237691225148761
BaseRepresentation
bin1001100111000000010011…
…01101111110010110001010
32202211010211202012102112001
410303200021231332112022
510232204102422034424
6112535344312341214
74310456562405034
oct463401155762612
982733752172461
1021131402143114
116807860684a1a
1224534a79a480a
13ba38b4aa3183
14530aa007cc54
15269a225ca844
hex133809b7e58a

21131402143114 has 32 divisors (see below), whose sum is σ = 33121631410560. Its totient is φ = 10092149760000.

The previous prime is 21131402143037. The next prime is 21131402143147. The reversal of 21131402143114 is 41134120413112.

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, 433342494 + ... + 433391254.

It is an arithmetic number, because the mean of its divisors is an integer number (1035050981580).

Almost surely, 221131402143114 is an apocalyptic number.

21131402143114 is a deficient number, since it is larger than the sum of its proper divisors (11990229267446).

21131402143114 is a wasteful number, since it uses less digits than its factorization.

21131402143114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61806.

The product of its (nonzero) digits is 2304, while the sum is 28.

Adding to 21131402143114 its reverse (41134120413112), we get a palindrome (62265522556226).

The spelling of 21131402143114 in words is "twenty-one trillion, one hundred thirty-one billion, four hundred two million, one hundred forty-three thousand, one hundred fourteen".

Divisors: 1 2 23 46 769 1538 12251 17687 24502 35374 48761 97522 281773 563546 1121503 2243006 9421019 18842038 37497209 74994418 216683437 433366874 597371011 862435807 1194742022 1724871614 13739533253 27479066506 459378307459 918756614918 10565701071557 21131402143114