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13002070 = 256591973
BaseRepresentation
bin110001100110…
…010101010110
3220110120111011
4301212111112
511312031240
61142402434
7215341624
oct61462526
926416434
1013002070
117380714
12443041a
132903143
141a26514
15121c6ea
hexc66556

13002070 has 16 divisors (see below), whose sum is σ = 23451120. Its totient is φ = 5190304.

The previous prime is 13002053. The next prime is 13002071. The reversal of 13002070 is 7020031.

13002070 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 13002070.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13002071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5604 + ... + 7576.

It is an arithmetic number, because the mean of its divisors is an integer number (1465695).

Almost surely, 213002070 is an apocalyptic number.

13002070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13002070 is a deficient number, since it is larger than the sum of its proper divisors (10449050).

13002070 is a wasteful number, since it uses less digits than its factorization.

13002070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2639.

The product of its (nonzero) digits is 42, while the sum is 13.

The square root of 13002070 is about 3605.8383213894. The cubic root of 13002070 is about 235.1459482708.

The spelling of 13002070 in words is "thirteen million, two thousand, seventy".

Divisors: 1 2 5 10 659 1318 1973 3295 3946 6590 9865 19730 1300207 2600414 6501035 13002070