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245116785480 = 2335717314379163
BaseRepresentation
bin1110010001001000011…
…0010101001101001000
3212102200121110212010020
43210102012111031020
513003444344113410
6304334411220440
723465136204510
oct3442206251510
9772617425106
10245116785480
1194a54042976
123b609147720
131a1644a0048
14bc14070840
156599280a70
hex3912195348

245116785480 has 1024 divisors, whose sum is σ = 957638246400. Its totient is φ = 48910417920.

The previous prime is 245116785457. The next prime is 245116785619. The reversal of 245116785480 is 84587611542.

It is a happy number.

245116785480 is digitally balanced in base 3 and base 7, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 1503783879 + ... + 1503784041.

It is an arithmetic number, because the mean of its divisors is an integer number (935193600).

Almost surely, 2245116785480 is an apocalyptic number.

245116785480 is a gapful number since it is divisible by the number (20) 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 245116785480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (478819123200).

245116785480 is an abundant number, since it is smaller than the sum of its proper divisors (712521460920).

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

245116785480 is a wasteful number, since it uses less digits than its factorization.

245116785480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354 (or 350 counting only the distinct ones).

The product of its (nonzero) digits is 2150400, while the sum is 51.

The spelling of 245116785480 in words is "two hundred forty-five billion, one hundred sixteen million, seven hundred eighty-five thousand, four hundred eighty".