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10129901 = 31283127
BaseRepresentation
bin100110101001…
…000111101101
3201001122121112
4212221013231
510043124101
61001041405
7152050145
oct46510755
921048545
1010129901
115799821
123486265
132138a32
1414b9925
15d516bb
hex9a91ed

10129901 has 12 divisors (see below), whose sum is σ = 10676736. Its totient is φ = 9608760.

The previous prime is 10129871. The next prime is 10129919. The reversal of 10129901 is 10992101.

It is a de Polignac number, because none of the positive numbers 2k-10129901 is a prime.

It is a super-2 number, since 2×101299012 = 205229788539602, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10159901) 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 11 ways as a sum of consecutive naturals, for example, 79700 + ... + 79826.

It is an arithmetic number, because the mean of its divisors is an integer number (889728).

Almost surely, 210129901 is an apocalyptic number.

It is an amenable number.

10129901 is a deficient number, since it is larger than the sum of its proper divisors (546835).

10129901 is an equidigital number, since it uses as much as digits as its factorization.

10129901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272 (or 241 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 23.

The square root of 10129901 is about 3182.7505400204. The cubic root of 10129901 is about 216.3723359163.

The spelling of 10129901 in words is "ten million, one hundred twenty-nine thousand, nine hundred one".

Divisors: 1 31 83 127 961 2573 3937 10541 79763 122047 326771 10129901