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142303221040313 = 791801306595447
BaseRepresentation
bin100000010110110010001100…
…111100001100010010111001
3200122212001111010222012221202
4200112302030330030102321
5122122443444041242223
61222353110335143545
741655032322100544
oct4026621474142271
9618761433865852
10142303221040313
1141384503492613
1213b63398974bb5
1361531a01cac88
14271d7269c385b
15116b977830428
hex816c8cf0c4b9

142303221040313 has 4 divisors (see below), whose sum is σ = 144104527635840. Its totient is φ = 140501914444788.

The previous prime is 142303221040261. The next prime is 142303221040373. The reversal of 142303221040313 is 313040122303241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 142303221040313 - 26 = 142303221040249 is a prime.

It is a super-2 number, since 2×1423032210403132 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142303221040373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 900653297645 + ... + 900653297802.

It is an arithmetic number, because the mean of its divisors is an integer number (36026131908960).

Almost surely, 2142303221040313 is an apocalyptic number.

It is an amenable number.

142303221040313 is a deficient number, since it is larger than the sum of its proper divisors (1801306595527).

142303221040313 is an equidigital number, since it uses as much as digits as its factorization.

142303221040313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1801306595526.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 142303221040313 its reverse (313040122303241), we get a palindrome (455343343343554).

The spelling of 142303221040313 in words is "one hundred forty-two trillion, three hundred three billion, two hundred twenty-one million, forty thousand, three hundred thirteen".

Divisors: 1 79 1801306595447 142303221040313