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10618130 = 2510110513
BaseRepresentation
bin101000100000…
…010100010010
3201222110100002
4220200110102
510204240010
61015330002
7156152435
oct50402422
921873302
1010618130
115aa2616
123680902
13227a023
1415a581c
15deb1a5
hexa20512

10618130 has 16 divisors (see below), whose sum is σ = 19303704. Its totient is φ = 4204800.

The previous prime is 10618123. The next prime is 10618133. The reversal of 10618130 is 3181601.

It can be written as a sum of positive squares in 4 ways, for example, as 7656289 + 2961841 = 2767^2 + 1721^2 .

It is a super-2 number, since 2×106181302 = 225489369393800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10618133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4247 + ... + 6266.

Almost surely, 210618130 is an apocalyptic number.

10618130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10618130 is a deficient number, since it is larger than the sum of its proper divisors (8685574).

10618130 is a wasteful number, since it uses less digits than its factorization.

10618130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10621.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 10618130 is about 3258.5472223063. The cubic root of 10618130 is about 219.7940910863.

Adding to 10618130 its reverse (3181601), we get a palindrome (13799731).

Subtracting from 10618130 its reverse (3181601), we obtain a square (7436529 = 27272).

It can be divided in two parts, 106 and 18130, that multiplied together give a triangular number (1921780 = T1960).

The spelling of 10618130 in words is "ten million, six hundred eighteen thousand, one hundred thirty".

Divisors: 1 2 5 10 101 202 505 1010 10513 21026 52565 105130 1061813 2123626 5309065 10618130