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13403243424 = 2534710927253
BaseRepresentation
bin11000111101110010…
…10100001110100000
31021121002120022110010
430132321110032200
5204422212242144
610053554004520
7653100455304
oct143671241640
937532508403
1013403243424
11575886618a
122720876740
131357aaa68c
14912135d04
15536a565b9
hex31ee543a0

13403243424 has 96 divisors (see below), whose sum is σ = 36263082240. Its totient is φ = 4332413952.

The previous prime is 13403243423. The next prime is 13403243429. The reversal of 13403243424 is 42434230431.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 13403243391 and 13403243400.

It is not an unprimeable number, because it can be changed into a prime (13403243423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 478182 + ... + 505434.

It is an arithmetic number, because the mean of its divisors is an integer number (377740440).

Almost surely, 213403243424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13403243424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18131541120).

13403243424 is an abundant number, since it is smaller than the sum of its proper divisors (22859838816).

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

13403243424 is a wasteful number, since it uses less digits than its factorization.

13403243424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27422 (or 27414 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 13403243424 its reverse (42434230431), we get a palindrome (55837473855).

The spelling of 13403243424 in words is "thirteen billion, four hundred three million, two hundred forty-three thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 47 48 94 96 109 141 188 218 282 327 376 436 564 654 752 872 1128 1308 1504 1744 2256 2616 3488 4512 5123 5232 10246 10464 15369 20492 27253 30738 40984 54506 61476 81759 81968 109012 122952 163518 163936 218024 245904 327036 436048 491808 654072 872096 1280891 1308144 2561782 2616288 2970577 3842673 5123564 5941154 7685346 8911731 10247128 11882308 15370692 17823462 20494256 23764616 30741384 35646924 40988512 47529232 61482768 71293848 95058464 122965536 139617119 142587696 279234238 285175392 418851357 558468476 837702714 1116936952 1675405428 2233873904 3350810856 4467747808 6701621712 13403243424