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49025321280 = 2634513292173
BaseRepresentation
bin101101101010001000…
…110000100101000000
311200112122210100210000
4231222020300211000
51300400440240110
634304422440000
73353615232555
oct555210604500
9150478710700
1049025321280
1119878574551
129602593000
134813b5a060
1425310d4a2c
15141e0161c0
hexb6a230940

49025321280 has 840 divisors, whose sum is σ = 195630146712. Its totient is φ = 11584290816.

The previous prime is 49025321221. The next prime is 49025321281. The reversal of 49025321280 is 8212352094.

It is a happy number.

49025321280 is a `hidden beast` number, since 49 + 0 + 2 + 532 + 1 + 2 + 80 = 666.

It can be written as a sum of positive squares in 12 ways, for example, as 7242690816 + 41782630464 = 85104^2 + 204408^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49025321281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 283383274 + ... + 283383446.

Almost surely, 249025321280 is an apocalyptic number.

49025321280 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 49025321280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97815073356).

49025321280 is an abundant number, since it is smaller than the sum of its proper divisors (146604825432).

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

49025321280 is a wasteful number, since it uses less digits than its factorization.

49025321280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273 (or 225 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 49025321280 in words is "forty-nine billion, twenty-five million, three hundred twenty-one thousand, two hundred eighty".