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48571904720 = 2453413177893
BaseRepresentation
bin101101001111000111…
…000111001011010000
311122101001121102012002
4231033013013023100
51243433401422340
634151424253132
73336441243443
oct551707071320
9148331542162
1048571904720
1119665634a19
1294b67711a8
134770c35231
1424cabc765a
1513e4300715
hexb4f1c72d0

48571904720 has 40 divisors (see below), whose sum is σ = 112963401576. Its totient is φ = 19422960128.

The previous prime is 48571904701. The next prime is 48571904729. The reversal of 48571904720 is 2740917584.

48571904720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 8438994496 + 40132910224 = 91864^2 + 200332^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48571904729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184094 + ... + 361986.

Almost surely, 248571904720 is an apocalyptic number.

48571904720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

48571904720 is an abundant number, since it is smaller than the sum of its proper divisors (64391496856).

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

48571904720 is a wasteful number, since it uses less digits than its factorization.

48571904720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181319 (or 181313 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 47.

The spelling of 48571904720 in words is "forty-eight billion, five hundred seventy-one million, nine hundred four thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 3413 6826 13652 17065 27304 34130 54608 68260 136520 177893 273040 355786 711572 889465 1423144 1778930 2846288 3557860 7115720 14231440 607148809 1214297618 2428595236 3035744045 4857190472 6071488090 9714380944 12142976180 24285952360 48571904720