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12534001040 = 2451114243183
BaseRepresentation
bin10111010110001010…
…11010110110010000
31012100111221020001202
423223011122312100
5201132201013130
65431423050332
7622414152041
oct135305326620
935314836052
1012534001040
115352131550
1225197409a8
131249992a82
1486c9048c8
154d55a3145
hex2eb15ad90

12534001040 has 40 divisors (see below), whose sum is σ = 31790786688. Its totient is φ = 4557818240.

The previous prime is 12534001037. The next prime is 12534001061. The reversal of 12534001040 is 4010043521.

12534001040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 7120712 + ... + 7122471.

Almost surely, 212534001040 is an apocalyptic number.

12534001040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12534001040 is an abundant number, since it is smaller than the sum of its proper divisors (19256785648).

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

12534001040 is a wasteful number, since it uses less digits than its factorization.

12534001040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14243207 (or 14243201 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 12534001040 its reverse (4010043521), we get a palindrome (16544044561).

The spelling of 12534001040 in words is "twelve billion, five hundred thirty-four million, one thousand, forty".

Divisors: 1 2 4 5 8 10 11 16 20 22 40 44 55 80 88 110 176 220 440 880 14243183 28486366 56972732 71215915 113945464 142431830 156675013 227890928 284863660 313350026 569727320 626700052 783375065 1139454640 1253400104 1566750130 2506800208 3133500260 6267000520 12534001040