Base | Representation |
---|---|
bin | 11111001001001101111… |
… | …10001111111010011101 |
3 | 10210022010011021102011101 |
4 | 33210212332033322131 |
5 | 120013031240142041 |
6 | 2135333015553101 |
7 | 140212043643001 |
oct | 17444676177235 |
9 | 3708104242141 |
10 | 1070100709021 |
11 | 382910a53163 |
12 | 15348668b791 |
13 | 79baa544616 |
14 | 39b16596701 |
15 | 1cc80b1bb31 |
hex | f926f8fe9d |
1070100709021 has 4 divisors (see below), whose sum is σ = 1107000733500. Its totient is φ = 1033200684544.
The previous prime is 1070100709019. The next prime is 1070100709039. The reversal of 1070100709021 is 1209070010701.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 786502922500 + 283597786521 = 886850^2 + 532539^2 .
It is a cyclic number.
It is not a de Polignac number, because 1070100709021 - 21 = 1070100709019 is a prime.
It is a super-2 number, since 2×10701007090212 (a number of 25 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 (1070100709091) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18450012196 + ... + 18450012253.
It is an arithmetic number, because the mean of its divisors is an integer number (276750183375).
Almost surely, 21070100709021 is an apocalyptic number.
It is an amenable number.
1070100709021 is a deficient number, since it is larger than the sum of its proper divisors (36900024479).
1070100709021 is an equidigital number, since it uses as much as digits as its factorization.
1070100709021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36900024478.
The product of its (nonzero) digits is 882, while the sum is 28.
Adding to 1070100709021 its reverse (1209070010701), we get a palindrome (2279170719722).
The spelling of 1070100709021 in words is "one trillion, seventy billion, one hundred million, seven hundred nine thousand, twenty-one".
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