Base | Representation |
---|---|
bin | 100000010111000010110001… |
… | …011000110110100001001000 |
3 | 200122220202102001120001100200 |
4 | 200113002301120312201020 |
5 | 122123241413133332443 |
6 | 1222405212005532200 |
7 | 41656232235140451 |
oct | 4027026130664110 |
9 | 618822361501320 |
10 | 142321012402248 |
11 | 41391003222119 |
12 | 13b66923114060 |
13 | 6154a7713b584 |
14 | 2720533820128 |
15 | 116c169724dd3 |
hex | 8170b1636848 |
142321012402248 has 96 divisors (see below), whose sum is σ = 386506673562360. Its totient is φ = 47310703534080.
The previous prime is 142321012402207. The next prime is 142321012402249. The reversal of 142321012402248 is 842204210123241.
142321012402248 is a `hidden beast` number, since 1 + 4 + 2 + 3 + 2 + 1 + 0 + 1 + 2 + 402 + 248 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 84918842080164 + 57402170322084 = 9215142^2 + 7576422^2 .
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (142321012402249) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 83943336 + ... + 85621992.
Almost surely, 2142321012402248 is an apocalyptic number.
142321012402248 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
142321012402248 is an abundant number, since it is smaller than the sum of its proper divisors (244185661160112).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142321012402248 is a wasteful number, since it uses less digits than its factorization.
142321012402248 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1681887 (or 1681880 counting only the distinct ones).
The product of its (nonzero) digits is 49152, while the sum is 36.
Adding to 142321012402248 its reverse (842204210123241), we get a palindrome (984525222525489).
The spelling of 142321012402248 in words is "one hundred forty-two trillion, three hundred twenty-one billion, twelve million, four hundred two thousand, two hundred forty-eight".
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