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10142342440 = 235475394863
BaseRepresentation
bin10010111001000011…
…11101110100101000
3222011211121101020121
421130201331310220
5131232414424230
64354225333024
7506223326326
oct113441756450
928154541217
1010142342440
1143350a6a9a
121b70797174
13c58337a79
146c3016d16
153e562877a
hex25c87dd28

10142342440 has 32 divisors (see below), whose sum is σ = 23305812480. Its totient is φ = 3970618432.

The previous prime is 10142342437. The next prime is 10142342473. The reversal of 10142342440 is 4424324101.

10142342440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×101423424402 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2695552 + ... + 2699311.

It is an arithmetic number, because the mean of its divisors is an integer number (728306640).

Almost surely, 210142342440 is an apocalyptic number.

10142342440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10142342440 is an abundant number, since it is smaller than the sum of its proper divisors (13163470040).

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

10142342440 is a wasteful number, since it uses less digits than its factorization.

10142342440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5394921 (or 5394917 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 10142342440 its reverse (4424324101), we get a palindrome (14566666541).

The spelling of 10142342440 in words is "ten billion, one hundred forty-two million, three hundred forty-two thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 47 94 188 235 376 470 940 1880 5394863 10789726 21579452 26974315 43158904 53948630 107897260 215794520 253558561 507117122 1014234244 1267792805 2028468488 2535585610 5071171220 10142342440