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142323404130453 = 37131015161694561
BaseRepresentation
bin100000010111000100111111…
…111100100100100010010101
3200122220222120202000102122210
4200113010333330210202111
5122123311312424133303
61222410245204544033
741656345426403130
oct4027047774444225
9618828522012583
10142323404130453
11413920202a49a7
1213b672900b2019
1361550687bc170
1427206bd329217
15116c2596b5203
hex81713ff24895

142323404130453 has 32 divisors (see below), whose sum is σ = 235868794705152. Its totient is φ = 74328401664000.

The previous prime is 142323404130449. The next prime is 142323404130487. The reversal of 142323404130453 is 354031404323241.

It is not a de Polignac number, because 142323404130453 - 22 = 142323404130449 is a prime.

It is a super-2 number, since 2×1423234041304532 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142323404130403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2580819708 + ... + 2580874853.

It is an arithmetic number, because the mean of its divisors is an integer number (7370899834536).

Almost surely, 2142323404130453 is an apocalyptic number.

142323404130453 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

142323404130453 is a deficient number, since it is larger than the sum of its proper divisors (93545390574699).

142323404130453 is a wasteful number, since it uses less digits than its factorization.

142323404130453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5161694685.

The product of its (nonzero) digits is 414720, while the sum is 39.

Adding to 142323404130453 its reverse (354031404323241), we get a palindrome (496354808453694).

The spelling of 142323404130453 in words is "one hundred forty-two trillion, three hundred twenty-three billion, four hundred four million, one hundred thirty thousand, four hundred fifty-three".

Divisors: 1 3 7 13 21 39 91 101 273 303 707 1313 2121 3939 9191 27573 5161694561 15485083683 36131861927 67102029293 108395585781 201306087879 469714205051 521331150661 1409142615153 1563993451983 3649318054627 6777304958593 10947954163881 20331914875779 47441134710151 142323404130453