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47115866112 = 212372174603
BaseRepresentation
bin101011111000010100…
…110001000000000000
311111121120210222201020
4223320110301000000
51232443130203422
633351132305440
73255401153100
oct537024610000
9144546728636
1047115866112
1118a88750627
12916b012280
13459b395923
1423cd689200
15135b58b95c
hexaf8531000

47115866112 has 312 divisors, whose sum is σ = 154767437856. Its totient is φ = 12667060224.

The previous prime is 47115866107. The next prime is 47115866141. The reversal of 47115866112 is 21166851174.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10233603 + ... + 10238205.

Almost surely, 247115866112 is an apocalyptic number.

47115866112 is a gapful number since it is divisible by the number (42) 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 47115866112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77383718928).

47115866112 is an abundant number, since it is smaller than the sum of its proper divisors (107651571744).

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

47115866112 is a wasteful number, since it uses less digits than its factorization.

47115866112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4661 (or 4632 counting only the distinct ones).

The product of its digits is 80640, while the sum is 42.

The spelling of 47115866112 in words is "forty-seven billion, one hundred fifteen million, eight hundred sixty-six thousand, one hundred twelve".