Base | Representation |
---|---|
bin | 101000110101000… |
… | …1111001010000111 |
3 | 10112110221120020002 |
4 | 1101222033022013 |
5 | 10301211323011 |
6 | 343540231515 |
7 | 45644014511 |
oct | 12152171207 |
9 | 3473846202 |
10 | 1370026631 |
11 | 643387316 |
12 | 32299b59b |
13 | 18aab595c |
14 | cdd4cbb1 |
15 | 80423c3b |
hex | 51a8f287 |
1370026631 has 4 divisors (see below), whose sum is σ = 1375759200. Its totient is φ = 1364294064.
The previous prime is 1370026601. The next prime is 1370026649. The reversal of 1370026631 is 1366200731.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1366200731 = 7 ⋅195171533.
It is a cyclic number.
It is not a de Polignac number, because 1370026631 - 222 = 1365832327 is a prime.
It is a super-2 number, since 2×13700266312 = 3753945939298420322, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1370026594 and 1370026603.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1370026601) 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, 2865926 + ... + 2866403.
It is an arithmetic number, because the mean of its divisors is an integer number (343939800).
Almost surely, 21370026631 is an apocalyptic number.
1370026631 is a deficient number, since it is larger than the sum of its proper divisors (5732569).
1370026631 is an equidigital number, since it uses as much as digits as its factorization.
1370026631 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5732568.
The product of its (nonzero) digits is 4536, while the sum is 29.
The square root of 1370026631 is about 37013.8707919072. The cubic root of 1370026631 is about 1110.6477378943.
The spelling of 1370026631 in words is "one billion, three hundred seventy million, twenty-six thousand, six hundred thirty-one".
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