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49485047040 = 283351113171931
BaseRepresentation
bin101110000101100010…
…011110010100000000
311201201200211211222000
4232011202132110000
51302321133001130
634422204144000
73401166650112
oct560542362400
9151650754860
1049485047040
1119a940232a0
129710538000
134888180830
1425761a53b2
151449576260
hexb8589e500

49485047040 has 2304 divisors, whose sum is σ = 237352550400. Its totient is φ = 9555148800.

The previous prime is 49485046987. The next prime is 49485047041. The reversal of 49485047040 is 4074058494.

49485047040 is a `hidden beast` number, since 4 + 94 + 8 + 50 + 470 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (2304).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49485047041) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 1596291825 + ... + 1596291855.

It is an arithmetic number, because the mean of its divisors is an integer number (103017600).

Almost surely, 249485047040 is an apocalyptic number.

49485047040 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 49485047040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118676275200).

49485047040 is an abundant number, since it is smaller than the sum of its proper divisors (187867503360).

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

49485047040 is a wasteful number, since it uses less digits than its factorization.

49485047040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121 (or 101 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 49485047040 in words is "forty-nine billion, four hundred eighty-five million, forty-seven thousand, forty".