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10003242440 = 2353115751383
BaseRepresentation
bin10010101000011110…
…10101110111001000
3221211010212100220202
421110033111313020
5130441312224230
64332340111332
7502614105062
oct112417256710
927733770822
1010003242440
11427362a114
121b32095548
13c35584289
146ac768732
153d82eda45
hex2543d5dc8

10003242440 has 64 divisors (see below), whose sum is σ = 23381775360. Its totient is φ = 3847484160.

The previous prime is 10003242439. The next prime is 10003242449. The reversal of 10003242440 is 4424230001.

10003242440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (10003242449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168989 + ... + 220371.

It is an arithmetic number, because the mean of its divisors is an integer number (365340240).

Almost surely, 210003242440 is an apocalyptic number.

10003242440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10003242440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11690887680).

10003242440 is an abundant number, since it is smaller than the sum of its proper divisors (13378532920).

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

10003242440 is a wasteful number, since it uses less digits than its factorization.

10003242440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51582 (or 51578 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 10003242440 its reverse (4424230001), we get a palindrome (14427472441).

The spelling of 10003242440 in words is "ten billion, three million, two hundred forty-two thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 31 40 62 124 155 157 248 310 314 620 628 785 1240 1256 1570 3140 4867 6280 9734 19468 24335 38936 48670 51383 97340 102766 194680 205532 256915 411064 513830 1027660 1592873 2055320 3185746 6371492 7964365 8067131 12742984 15928730 16134262 31857460 32268524 40335655 63714920 64537048 80671310 161342620 250081061 322685240 500162122 1000324244 1250405305 2000648488 2500810610 5001621220 10003242440