Search a number
-
+
142303413512515 = 556235061476561
BaseRepresentation
bin100000010110110010011000…
…011010011010100101000011
3200122212001222120010211011211
4200112302120122122211003
5122122444342324400030
61222353141412350551
741655040150063153
oct4026623032324503
9618761876124154
10142303413512515
11413845a20a3852
1213b63431315457
13615320104aa58
14271d7443a6763
15116b98969e12a
hex816c9869a943

142303413512515 has 8 divisors (see below), whose sum is σ = 170794465108128. Its totient is φ = 113822484881280.

The previous prime is 142303413512501. The next prime is 142303413512539. The reversal of 142303413512515 is 515215314303241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-142303413512515 is a prime.

It is a super-2 number, since 2×1423034135125152 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2530710166 + ... + 2530766395.

It is an arithmetic number, because the mean of its divisors is an integer number (21349308138516).

Almost surely, 2142303413512515 is an apocalyptic number.

142303413512515 is a deficient number, since it is larger than the sum of its proper divisors (28491051595613).

142303413512515 is an equidigital number, since it uses as much as digits as its factorization.

142303413512515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5061482189.

The product of its (nonzero) digits is 216000, while the sum is 40.

Adding to 142303413512515 its reverse (515215314303241), we get a palindrome (657518727815756).

The spelling of 142303413512515 in words is "one hundred forty-two trillion, three hundred three billion, four hundred thirteen million, five hundred twelve thousand, five hundred fifteen".

Divisors: 1 5 5623 28115 5061476561 25307382805 28460682702503 142303413512515