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142340211515054 = 27130342591832093
BaseRepresentation
bin100000010111010100101001…
…101111101001111010101110
3200122222120222002002000220202
4200113110221233221322232
5122124100223121440204
61222422105045313502
741660512063664330
oct4027245157517256
9618876862060822
10142340211515054
11413991656647a3
1213b6a5a0a05892
136156816912557
1427214355c9450
15116c8deee0e1e
hex817529be9eae

142340211515054 has 32 divisors (see below), whose sum is σ = 244256530890240. Its totient is φ = 60941784913632.

The previous prime is 142340211514957. The next prime is 142340211515059. The reversal of 142340211515054 is 450515112043241.

It is a super-2 number, since 2×1423402115150542 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 142340211514999 and 142340211515017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142340211515059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76776632 + ... + 78608724.

It is an arithmetic number, because the mean of its divisors is an integer number (7633016590320).

Almost surely, 2142340211515054 is an apocalyptic number.

142340211515054 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

142340211515054 is a deficient number, since it is larger than the sum of its proper divisors (101916319375186).

142340211515054 is a wasteful number, since it uses less digits than its factorization.

142340211515054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1837664.

The product of its (nonzero) digits is 96000, while the sum is 38.

Adding to 142340211515054 its reverse (450515112043241), we get a palindrome (592855323558295).

The spelling of 142340211515054 in words is "one hundred forty-two trillion, three hundred forty billion, two hundred eleven million, five hundred fifteen thousand, fifty-four".

Divisors: 1 2 7 14 1303 2606 4259 8518 9121 18242 29813 59626 1832093 3664186 5549477 11098954 12824651 25649302 38846339 77692678 2387217179 4774434358 7802884087 15605768174 16710520253 33421040506 54620188609 109240377218 10167157965361 20334315930722 71170105757527 142340211515054