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10454512240 = 245227575689
BaseRepresentation
bin10011011110010001…
…10011001001110000
3222222121000020201001
421233020303021300
5132402323342430
64445220251344
7520033613344
oct115710631160
928877006631
1010454512240
114485332867
122039240b54
13ca7c06c23
14712677624
15412c3d3ca
hex26f233270

10454512240 has 40 divisors (see below), whose sum is σ = 24413861520. Its totient is φ = 4163375616.

The previous prime is 10454512217. The next prime is 10454512241. The reversal of 10454512240 is 4221545401.

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

It is a junction number, because it is equal to n+sod(n) for n = 10454512199 and 10454512208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10454512241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 269685 + ... + 306004.

It is an arithmetic number, because the mean of its divisors is an integer number (610346538).

Almost surely, 210454512240 is an apocalyptic number.

10454512240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10454512240 is an abundant number, since it is smaller than the sum of its proper divisors (13959349280).

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

10454512240 is a wasteful number, since it uses less digits than its factorization.

10454512240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575929 (or 575923 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

The spelling of 10454512240 in words is "ten billion, four hundred fifty-four million, five hundred twelve 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 575689 1151378 2302756 2878445 4605512 5756890 9211024 11513780 23027560 46055120 130681403 261362806 522725612 653407015 1045451224 1306814030 2090902448 2613628060 5227256120 10454512240