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130013233 = 7471392843
BaseRepresentation
bin1111011111111…
…01100000110001
3100001122100121221
413233331200301
5231240410413
620522345041
73136044220
oct757754061
9301570557
10130013233
1167430959
123765b181
1320c2180c
14133a4cb7
15b63268d
hex7bfd831

130013233 has 16 divisors (see below), whose sum is σ = 152893440. Its totient is φ = 108246096.

The previous prime is 130013203. The next prime is 130013243. The reversal of 130013233 is 332310031.

It is a de Polignac number, because none of the positive numbers 2k-130013233 is a prime.

It is a super-2 number, since 2×1300132332 = 33806881510224578, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (130013203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44310 + ... + 47152.

It is an arithmetic number, because the mean of its divisors is an integer number (9555840).

Almost surely, 2130013233 is an apocalyptic number.

It is an amenable number.

130013233 is a deficient number, since it is larger than the sum of its proper divisors (22880207).

130013233 is a wasteful number, since it uses less digits than its factorization.

130013233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3036.

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 130013233 is about 11402.3345416629. The cubic root of 130013233 is about 506.5968899659.

Adding to 130013233 its reverse (332310031), we get a palindrome (462323264).

The spelling of 130013233 in words is "one hundred thirty million, thirteen thousand, two hundred thirty-three".

Divisors: 1 7 47 139 329 973 2843 6533 19901 45731 133621 395177 935347 2766239 18573319 130013233