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12425320353 = 3371371734723
BaseRepresentation
bin10111001001001101…
…10101011110100001
31012001221102200012010
423210212311132201
5200421340222403
65412541423133
7616624323525
oct134446653641
935057380163
1012425320353
1152a68510a6
1224a926aaa9
131230300084
1485c2d3d85
154cac86603
hex2e49b57a1

12425320353 has 32 divisors (see below), whose sum is σ = 17241768576. Its totient is φ = 7952905728.

The previous prime is 12425320343. The next prime is 12425320357. The reversal of 12425320353 is 35302352421.

It is not a de Polignac number, because 12425320353 - 25 = 12425320321 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12425320353.

It is not an unprimeable number, because it can be changed into a prime (12425320357) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2628450 + ... + 2633172.

It is an arithmetic number, because the mean of its divisors is an integer number (538805268).

Almost surely, 212425320353 is an apocalyptic number.

It is an amenable number.

12425320353 is a deficient number, since it is larger than the sum of its proper divisors (4816448223).

12425320353 is a wasteful number, since it uses less digits than its factorization.

12425320353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5073.

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 12425320353 its reverse (35302352421), we get a palindrome (47727672774).

The spelling of 12425320353 in words is "twelve billion, four hundred twenty-five million, three hundred twenty thousand, three hundred fifty-three".

Divisors: 1 3 37 111 137 173 411 519 4723 5069 6401 14169 15207 19203 23701 71103 174751 524253 647051 817079 876937 1941153 2451237 2630811 23940887 30231923 71822661 90695769 111939823 335819469 4141773451 12425320353