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13020115 = 53770379
BaseRepresentation
bin110001101010…
…101111010011
3220111111020111
4301222233103
511313120430
61143022151
7215445343
oct61525723
926444214
1013020115
117393229
12443a957
13290b414
141a2cd23
151222c2a
hexc6abd3

13020115 has 8 divisors (see below), whose sum is σ = 16046640. Its totient is φ = 10134432.

The previous prime is 13020109. The next prime is 13020121. The reversal of 13020115 is 51102031.

It is an interprime number because it is at equal distance from previous prime (13020109) and next prime (13020121).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13020115 - 219 = 12495827 is a prime.

It is a super-2 number, since 2×130201152 = 339046789226450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13020095 and 13020104.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35005 + ... + 35374.

It is an arithmetic number, because the mean of its divisors is an integer number (2005830).

Almost surely, 213020115 is an apocalyptic number.

13020115 is a deficient number, since it is larger than the sum of its proper divisors (3026525).

13020115 is an equidigital number, since it uses as much as digits as its factorization.

13020115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70421.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 13020115 is about 3608.3396458759. The cubic root of 13020115 is about 235.2546808844.

Adding to 13020115 its reverse (51102031), we get a palindrome (64122146).

The spelling of 13020115 in words is "thirteen million, twenty thousand, one hundred fifteen".

Divisors: 1 5 37 185 70379 351895 2604023 13020115