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49557480000 = 26354758997
BaseRepresentation
bin101110001001110110…
…110010001001000000
311201220202010211022020
4232021312302021000
51302443203330000
634433312441440
73403036425660
oct561166621100
9151822124266
1049557480000
111a0209a6246
129730849280
13489a191882
142581a5c1a0
151450ad2ba0
hexb89db2240

49557480000 has 280 divisors, whose sum is σ = 187258708032. Its totient is φ = 11327232000.

The previous prime is 49557479981. The next prime is 49557480031. The reversal of 49557480000 is 8475594.

It is a tau number, because it is divible by the number of its divisors (280).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 810502 + ... + 869498.

Almost surely, 249557480000 is an apocalyptic number.

49557480000 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 49557480000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93629354016).

49557480000 is an abundant number, since it is smaller than the sum of its proper divisors (137701228032).

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

49557480000 is an equidigital number, since it uses as much as digits as its factorization.

49557480000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59039 (or 59014 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 42.

The spelling of 49557480000 in words is "forty-nine billion, five hundred fifty-seven million, four hundred eighty thousand".