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10129899 = 3132111231
BaseRepresentation
bin100110101001…
…000111101011
3201001122121110
4212221013223
510043124044
61001041403
7152050143
oct46510753
921048543
1010129899
11579981a
123486263
132138a30
1414b9923
15d516b9
hex9a91eb

10129899 has 16 divisors (see below), whose sum is σ = 14626304. Its totient is φ = 6199200.

The previous prime is 10129871. The next prime is 10129919. The reversal of 10129899 is 99892101.

It is a happy number.

It is not a de Polignac number, because 10129899 - 29 = 10129387 is a prime.

It is a super-2 number, since 2×101298992 = 205229707500402, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10129849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7614 + ... + 8844.

It is an arithmetic number, because the mean of its divisors is an integer number (914144).

Almost surely, 210129899 is an apocalyptic number.

10129899 is a deficient number, since it is larger than the sum of its proper divisors (4496405).

10129899 is a wasteful number, since it uses less digits than its factorization.

10129899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1458.

The product of its (nonzero) digits is 11664, while the sum is 39.

The square root of 10129899 is about 3182.7502258267. The cubic root of 10129899 is about 216.3723216764.

The spelling of 10129899 in words is "ten million, one hundred twenty-nine thousand, eight hundred ninety-nine".

Divisors: 1 3 13 39 211 633 1231 2743 3693 8229 16003 48009 259741 779223 3376633 10129899