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12440774000 = 24536220387
BaseRepresentation
bin10111001011000011…
…10010010101110000
31012010000111210121102
423211201302111300
5200434314232000
65414252543532
7620202556064
oct134541622560
935100453542
1012440774000
115304546706
1224b2481ba8
131233581045
14860397aa4
154cc2da3d5
hex2e5872570

12440774000 has 40 divisors (see below), whose sum is σ = 30081796368. Its totient is φ = 4976308800.

The previous prime is 12440773997. The next prime is 12440774011. The reversal of 12440774000 is 47704421.

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, 3108194 + ... + 3112193.

Almost surely, 212440774000 is an apocalyptic number.

12440774000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12440774000 is an abundant number, since it is smaller than the sum of its proper divisors (17641022368).

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

12440774000 is an equidigital number, since it uses as much as digits as its factorization.

12440774000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6220410 (or 6220394 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 29.

The spelling of 12440774000 in words is "twelve billion, four hundred forty million, seven hundred seventy-four thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 1000 2000 6220387 12440774 24881548 31101935 49763096 62203870 99526192 124407740 155509675 248815480 311019350 497630960 622038700 777548375 1244077400 1555096750 2488154800 3110193500 6220387000 12440774000