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47891135264 = 257213799711
BaseRepresentation
bin101100100110100010…
…001011101100100000
311120121121121202001112
4230212202023230200
51241040112312024
634000105122452
73313533635030
oct544642135440
9146547552045
1047891135264
111934632a835
129346789428
134692b99c7b
1424646178c0
1513a467b00e
hexb2688bb20

47891135264 has 24 divisors (see below), whose sum is σ = 107755054848. Its totient is φ = 20524772160.

The previous prime is 47891135239. The next prime is 47891135267. The reversal of 47891135264 is 46253119874.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (47891135267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106899632 + ... + 106900079.

It is an arithmetic number, because the mean of its divisors is an integer number (4489793952).

Almost surely, 247891135264 is an apocalyptic number.

It is an amenable number.

47891135264 is an abundant number, since it is smaller than the sum of its proper divisors (59863919584).

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

47891135264 is a wasteful number, since it uses less digits than its factorization.

47891135264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213799728 (or 213799720 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 50.

The spelling of 47891135264 in words is "forty-seven billion, eight hundred ninety-one million, one hundred thirty-five thousand, two hundred sixty-four".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 224 213799711 427599422 855198844 1496597977 1710397688 2993195954 3420795376 5986391908 6841590752 11972783816 23945567632 47891135264