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12450460643320 = 23571929113714163
BaseRepresentation
bin1011010100101101100101…
…0010001010111111111000
31122002020211000020202020211
42311023121102022333320
53112442020411041240
642251355045000504
72423342010214510
oct265133122127770
948066730222224
1012450460643320
113a702354a5407
121490b960b3134
136c40c5352c4b
14310869740840
15168ce9850bea
hexb52d948aff8

12450460643320 has 256 divisors, whose sum is σ = 35171148672000. Its totient is φ = 3870049591296.

The previous prime is 12450460643303. The next prime is 12450460643441. The reversal of 12450460643320 is 2334606405421.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17076559 + ... + 17790721.

It is an arithmetic number, because the mean of its divisors is an integer number (137387299500).

Almost surely, 212450460643320 is an apocalyptic number.

12450460643320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12450460643320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17585574336000).

12450460643320 is an abundant number, since it is smaller than the sum of its proper divisors (22720688028680).

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

12450460643320 is a wasteful number, since it uses less digits than its factorization.

12450460643320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714342 (or 714338 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 40.

The spelling of 12450460643320 in words is "twelve trillion, four hundred fifty billion, four hundred sixty million, six hundred forty-three thousand, three hundred twenty".