Base | Representation |
---|---|
bin | 100000011111001001110110… |
… | …011010010011000111100100 |
3 | 200201220001001011201021100121 |
4 | 200133021312122103013210 |
5 | 122211404344340034101 |
6 | 1223513225541051324 |
7 | 42044423112241114 |
oct | 4037116632230744 |
9 | 621801034637317 |
10 | 142878368674276 |
11 | 41586415315724 |
12 | 140369506b6b44 |
13 | 61954ac0a2c41 |
14 | 273d4c8351044 |
15 | 117b8da93e0a1 |
hex | 81f2766931e4 |
142878368674276 has 27 divisors (see below), whose sum is σ = 253245583431561. Its totient is φ = 70533958516944.
The previous prime is 142878368674253. The next prime is 142878368674291. The reversal of 142878368674276 is 672476863878241.
The square root of 142878368674276 is 11953174.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 79536253256100 + 63342115418176 = 8918310^2 + 7958776^2 .
It is a Harshad number since it is a multiple of its sum of digits (79).
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 142878368674196 and 142878368674205.
It is an unprimeable number.
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 8 ways as a sum of consecutive naturals, for example, 1888563666 + ... + 1888639318.
Almost surely, 2142878368674276 is an apocalyptic number.
142878368674276 is the 11953174-th square number.
It is an amenable number.
142878368674276 is a deficient number, since it is larger than the sum of its proper divisors (110367214757285).
142878368674276 is an frugal number, since it uses more digits than its factorization.
142878368674276 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 151468 (or 75734 counting only the distinct ones).
The product of its digits is 7283146752, while the sum is 79.
The spelling of 142878368674276 in words is "one hundred forty-two trillion, eight hundred seventy-eight billion, three hundred sixty-eight million, six hundred seventy-four thousand, two hundred seventy-six".
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