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49722391581240 = 23357196737462437
BaseRepresentation
bin10110100111000111001010…
…11111001101001000111000
320112001102011221221102100110
423103203211133031020320
523004122424221044430
6253430052405304320
713321216133663430
oct1323434537151070
9215042157842313
1049722391581240
1114930169873234
1256b06484050a0
132198a558caa31
14c3c8102592c0
155b35d817d7b0
hex2d38e57cd238

49722391581240 has 256 divisors, whose sum is σ = 179476257254400. Its totient is φ = 10765332504576.

The previous prime is 49722391581229. The next prime is 49722391581271. The reversal of 49722391581240 is 4218519322794.

It is a Harshad number since it is a multiple of its sum of digits (57).

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, 107291302 + ... + 107753738.

It is an arithmetic number, because the mean of its divisors is an integer number (701079129900).

Almost surely, 249722391581240 is an apocalyptic number.

49722391581240 is a gapful number since it is divisible by the number (40) 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 49722391581240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89738128627200).

49722391581240 is an abundant number, since it is smaller than the sum of its proper divisors (129753865673160).

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

49722391581240 is a wasteful number, since it uses less digits than its factorization.

49722391581240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469214 (or 469210 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 57.

The spelling of 49722391581240 in words is "forty-nine trillion, seven hundred twenty-two billion, three hundred ninety-one million, five hundred eighty-one thousand, two hundred forty".