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245504243712 = 21137213149421
BaseRepresentation
bin1110010010100100110…
…0010111100000000000
3212110200121112202220010
43210221030113200000
513010243041244322
6304441051544520
723510552432400
oct3445114274000
9773617482803
10245504243712
1195132821a92
123b6b6a5b140
131a1c683cb80
14bc4d6cc800
1565bd2b820c
hex3929317800

245504243712 has 576 divisors, whose sum is σ = 827409492000. Its totient is φ = 64161054720.

The previous prime is 245504243701. The next prime is 245504243729. The reversal of 245504243712 is 217342405542.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 583145262 + ... + 583145682.

Almost surely, 2245504243712 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 245504243712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (413704746000).

245504243712 is an abundant number, since it is smaller than the sum of its proper divisors (581905248288).

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

245504243712 is a wasteful number, since it uses less digits than its factorization.

245504243712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622 (or 595 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 39.

The spelling of 245504243712 in words is "two hundred forty-five billion, five hundred four million, two hundred forty-three thousand, seven hundred twelve".