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12245703460 = 2251996330671
BaseRepresentation
bin10110110011110011…
…01001101100100100
31011121102110012010121
423121321221230210
5200034400002320
65343043531324
7612313522234
oct133171515444
934542405117
1012245703460
115214420291
122459089b44
1312020316a3
148424d9cc4
154ba1068aa
hex2d9e69b24

12245703460 has 24 divisors (see below), whose sum is σ = 25718103936. Its totient is φ = 4897876320.

The previous prime is 12245703451. The next prime is 12245703461. The reversal of 12245703460 is 6430754221.

It is not an unprimeable number, because it can be changed into a prime (12245703461) 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, 383925 + ... + 414595.

It is an arithmetic number, because the mean of its divisors is an integer number (1071587664).

Almost surely, 212245703460 is an apocalyptic number.

12245703460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12245703460 is an abundant number, since it is smaller than the sum of its proper divisors (13472400476).

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

12245703460 is a wasteful number, since it uses less digits than its factorization.

12245703460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50643 (or 50641 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 34.

The spelling of 12245703460 in words is "twelve billion, two hundred forty-five million, seven hundred three thousand, four hundred sixty".

Divisors: 1 2 4 5 10 20 19963 30671 39926 61342 79852 99815 122684 153355 199630 306710 399260 613420 612285173 1224570346 2449140692 3061425865 6122851730 12245703460