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142321011510556 = 2272748941200657
BaseRepresentation
bin100000010111000010110001…
…010101011100110100011100
3200122220202101222212202012001
4200113002301111130310130
5122123241412421314211
61222405211534452044
741656232224434664
oct4027026125346434
9618822358782161
10142321011510556
114139100277318a
1213b66922964024
136154a76bb8748
14272053366b1a4
15116c1695eaac1
hex8170b155cd1c

142321011510556 has 12 divisors (see below), whose sum is σ = 249404358553168. Its totient is φ = 71062623352512.

The previous prime is 142321011510499. The next prime is 142321011510589. The reversal of 142321011510556 is 655015110123241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24470597421 + ... + 24470603236.

Almost surely, 2142321011510556 is an apocalyptic number.

It is an amenable number.

142321011510556 is a deficient number, since it is larger than the sum of its proper divisors (107083347042612).

142321011510556 is a wasteful number, since it uses less digits than its factorization.

142321011510556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48941201388 (or 48941201386 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 37.

Adding to 142321011510556 its reverse (655015110123241), we get a palindrome (797336121633797).

The spelling of 142321011510556 in words is "one hundred forty-two trillion, three hundred twenty-one billion, eleven million, five hundred ten thousand, five hundred fifty-six".