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10015040240 = 245227551489
BaseRepresentation
bin10010101001111000…
…10110001011110000
3221211222001202110022
421110330112023300
5131002322241430
64333441023012
7503116303022
oct112474261360
927758052408
1010015040240
11427a257a67
121b36024a68
13c37b5521a
146b015a012
153d937e4e5
hex254f162f0

10015040240 has 40 divisors (see below), whose sum is σ = 23387587920. Its totient is φ = 3988361216.

The previous prime is 10015040237. The next prime is 10015040251. The reversal of 10015040240 is 4204051001.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257585 + ... + 293904.

It is an arithmetic number, because the mean of its divisors is an integer number (584689698).

Almost surely, 210015040240 is an apocalyptic number.

10015040240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10015040240 is an abundant number, since it is smaller than the sum of its proper divisors (13372547680).

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

10015040240 is a wasteful number, since it uses less digits than its factorization.

10015040240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551729 (or 551723 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

Adding to 10015040240 its reverse (4204051001), we get a palindrome (14219091241).

The spelling of 10015040240 in words is "ten billion, fifteen million, forty thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 227 454 908 1135 1816 2270 3632 4540 9080 18160 551489 1102978 2205956 2757445 4411912 5514890 8823824 11029780 22059560 44119120 125188003 250376006 500752012 625940015 1001504024 1251880030 2003008048 2503760060 5007520120 10015040240