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1002070115 = 5200414023
BaseRepresentation
bin111011101110100…
…110000001100011
32120211120102202222
4323232212001203
54023012220430
6243233501255
733555312134
oct7356460143
92524512688
101002070115
11474708122
1223b71182b
1312c7b34c7
1497129c8b
155ce8e9e5
hex3bba6063

1002070115 has 4 divisors (see below), whose sum is σ = 1202484144. Its totient is φ = 801656088.

The previous prime is 1002070109. The next prime is 1002070123. The reversal of 1002070115 is 5110702001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5110702001 = 26319432327.

It is a cyclic number.

It is not a de Polignac number, because 1002070115 - 210 = 1002069091 is a prime.

It is a super-2 number, since 2×10020701152 = 2008289030752226450, 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 = 1002070093 and 1002070102.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100207007 + ... + 100207016.

It is an arithmetic number, because the mean of its divisors is an integer number (300621036).

Almost surely, 21002070115 is an apocalyptic number.

1002070115 is a deficient number, since it is larger than the sum of its proper divisors (200414029).

1002070115 is an equidigital number, since it uses as much as digits as its factorization.

1002070115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200414028.

The product of its (nonzero) digits is 70, while the sum is 17.

The square root of 1002070115 is about 31655.4910718504. The cubic root of 1002070115 is about 1000.6895627273.

Adding to 1002070115 its reverse (5110702001), we get a palindrome (6112772116).

The spelling of 1002070115 in words is "one billion, two million, seventy thousand, one hundred fifteen".

Divisors: 1 5 200414023 1002070115