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10401404225 = 5211314712503
BaseRepresentation
bin10011010111111100…
…01101010101000001
3222211220002002012112
421223332031111001
5132300224413400
64440042105105
7515520322442
oct115376152501
928756062175
1010401404225
114458359a43
1220234ab195
13c99c00c74
147095b12c9
1540d24c835
hex26bf8d541

10401404225 has 24 divisors (see below), whose sum is σ = 13025928192. Its totient is φ = 8238585600.

The previous prime is 10401404207. The next prime is 10401404227. The reversal of 10401404225 is 52240410401.

It is a de Polignac number, because none of the positive numbers 2k-10401404225 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10401404225.

It is not an unprimeable number, because it can be changed into a prime (10401404227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4154324 + ... + 4156826.

It is an arithmetic number, because the mean of its divisors is an integer number (542747008).

Almost surely, 210401404225 is an apocalyptic number.

It is an amenable number.

10401404225 is a deficient number, since it is larger than the sum of its proper divisors (2624523967).

10401404225 is a wasteful number, since it uses less digits than its factorization.

10401404225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4097 (or 4092 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

Adding to 10401404225 its reverse (52240410401), we get a palindrome (62641814626).

The spelling of 10401404225 in words is "ten billion, four hundred one million, four hundred four thousand, two hundred twenty-five".

Divisors: 1 5 25 113 565 1471 2503 2825 7355 12515 36775 62575 166223 282839 831115 1414195 3681913 4155575 7070975 18409565 92047825 416056169 2080280845 10401404225