Base | Representation |
---|---|
bin | 11101100011101000101… |
… | …101101111010111111111 |
3 | 21012011200212022012121010 |
4 | 131203220231233113333 |
5 | 231234222442241401 |
6 | 4153030540410303 |
7 | 266513160343212 |
oct | 35435055572777 |
9 | 7164625265533 |
10 | 2031128868351 |
11 | 713440327370 |
12 | 289790b46993 |
13 | 1196c4776cbb |
14 | 70442bcd779 |
15 | 37c7ac90ed6 |
hex | 1d8e8b6f5ff |
2031128868351 has 8 divisors (see below), whose sum is σ = 2954369263104. Its totient is φ = 1230987192920.
The previous prime is 2031128868317. The next prime is 2031128868361. The reversal of 2031128868351 is 1538688211302.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2031128868351 - 26 = 2031128868287 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 2031128868351.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2031128868361) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30774679791 + ... + 30774679856.
It is an arithmetic number, because the mean of its divisors is an integer number (369296157888).
Almost surely, 22031128868351 is an apocalyptic number.
2031128868351 is a deficient number, since it is larger than the sum of its proper divisors (923240394753).
2031128868351 is a wasteful number, since it uses less digits than its factorization.
2031128868351 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 61549359661.
The product of its (nonzero) digits is 552960, while the sum is 48.
The spelling of 2031128868351 in words is "two trillion, thirty-one billion, one hundred twenty-eight million, eight hundred sixty-eight thousand, three hundred fifty-one".
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