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10401125240 = 2351123638921
BaseRepresentation
bin10011010111111010…
…01001001101111000
3222211212112220111202
421223331021031320
5132300142001430
64440032113332
7515515051202
oct115375111570
928755486452
1010401125240
114458189380
122023395848
13c99b33c9c
1470953b772
1540d1e4d45
hex26bf49378

10401125240 has 32 divisors (see below), whose sum is σ = 25530035760. Its totient is φ = 3782227200.

The previous prime is 10401125237. The next prime is 10401125261. The reversal of 10401125240 is 4252110401.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11819021 + ... + 11819900.

Almost surely, 210401125240 is an apocalyptic number.

10401125240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10401125240 is an abundant number, since it is smaller than the sum of its proper divisors (15128910520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10401125240 is a wasteful number, since it uses less digits than its factorization.

10401125240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23638943 (or 23638939 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 10401125240 its reverse (4252110401), we get a palindrome (14653235641).

The spelling of 10401125240 in words is "ten billion, four hundred one million, one hundred twenty-five thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 440 23638921 47277842 94555684 118194605 189111368 236389210 260028131 472778420 520056262 945556840 1040112524 1300140655 2080225048 2600281310 5200562620 10401125240