Base | Representation |
---|---|
bin | 110000111010001010… |
… | …1110011001110011111 |
3 | 101001002210112001011112 |
4 | 1201310111303032133 |
5 | 3210100424241012 |
6 | 120130044412235 |
7 | 10405524336440 |
oct | 1416425631637 |
9 | 331083461145 |
10 | 105031087007 |
11 | 405a8346250 |
12 | 1843284707b |
13 | 9b9ac33cc2 |
14 | 51252d52c7 |
15 | 2aeac82122 |
hex | 187457339f |
105031087007 has 16 divisors (see below), whose sum is σ = 131368932864. Its totient is φ = 81579228000.
The previous prime is 105031087003. The next prime is 105031087033. The reversal of 105031087007 is 700780130501.
It is a cyclic number.
It is not a de Polignac number, because 105031087007 - 22 = 105031087003 is a prime.
It is a super-2 number, since 2×1050310870072 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (105031087001) 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, 2169044 + ... + 2216937.
It is an arithmetic number, because the mean of its divisors is an integer number (8210558304).
Almost surely, 2105031087007 is an apocalyptic number.
105031087007 is a deficient number, since it is larger than the sum of its proper divisors (26337845857).
105031087007 is a wasteful number, since it uses less digits than its factorization.
105031087007 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4386310.
The product of its (nonzero) digits is 5880, while the sum is 32.
The spelling of 105031087007 in words is "one hundred five billion, thirty-one million, eighty-seven thousand, seven".
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