Base | Representation |
---|---|
bin | 11111101000100100010… |
… | …10001111101010101011 |
3 | 10211220120010012011122220 |
4 | 33310102022033222223 |
5 | 120302013414321022 |
6 | 2151155052045123 |
7 | 141346113320646 |
oct | 17642212175253 |
9 | 3756503164586 |
10 | 1086931401387 |
11 | 389a68492477 |
12 | 1567a31637a3 |
13 | 7b6604388a0 |
14 | 3a8719a2a5d |
15 | 1d4184ed85c |
hex | fd1228faab |
1086931401387 has 16 divisors (see below), whose sum is σ = 1560767500320. Its totient is φ = 668861367552.
The previous prime is 1086931401349. The next prime is 1086931401419. The reversal of 1086931401387 is 7831041396801.
It is a happy number.
It is not a de Polignac number, because 1086931401387 - 219 = 1086930877099 is a prime.
It is a super-2 number, since 2×10869314013872 (a number of 25 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (1086931401187) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1011789 + ... + 1788177.
It is an arithmetic number, because the mean of its divisors is an integer number (97547968770).
Almost surely, 21086931401387 is an apocalyptic number.
1086931401387 is a deficient number, since it is larger than the sum of its proper divisors (473836098933).
1086931401387 is a wasteful number, since it uses less digits than its factorization.
1086931401387 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 812302.
The product of its (nonzero) digits is 870912, while the sum is 51.
The spelling of 1086931401387 in words is "one trillion, eighty-six billion, nine hundred thirty-one million, four hundred one thousand, three hundred eighty-seven".
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