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47977590020 = 22577315312027
BaseRepresentation
bin101100101011101011…
…111110110100000100
311120211122022002200112
4230223223332310010
51241224230340040
634012434132152
73315633533513
oct545353766404
9146748262615
1047977590020
111939010a548
12936b721058
1346a7a7a329
142471cc067a
1513ac057365
hexb2bafed04

47977590020 has 48 divisors (see below), whose sum is σ = 100998975168. Its totient is φ = 19144241280.

The previous prime is 47977589993. The next prime is 47977590047. The reversal of 47977590020 is 2009577974.

It is an interprime number because it is at equal distance from previous prime (47977589993) and next prime (47977590047).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23668247 + ... + 23670273.

It is an arithmetic number, because the mean of its divisors is an integer number (2104145316).

Almost surely, 247977590020 is an apocalyptic number.

It is an amenable number.

47977590020 is an abundant number, since it is smaller than the sum of its proper divisors (53021385148).

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

47977590020 is a wasteful number, since it uses less digits than its factorization.

47977590020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4340 (or 4338 counting only the distinct ones).

The product of its (nonzero) digits is 1111320, while the sum is 50.

The spelling of 47977590020 in words is "forty-seven billion, nine hundred seventy-seven million, five hundred ninety thousand, twenty".

Divisors: 1 2 4 5 10 20 773 1531 1546 2027 3062 3092 3865 4054 6124 7655 7730 8108 10135 15310 15460 20270 30620 40540 1183463 1566871 2366926 3103337 3133742 4733852 5917315 6206674 6267484 7834355 11834630 12413348 15516685 15668710 23669260 31033370 31337420 62066740 2398879501 4797759002 9595518004 11994397505 23988795010 47977590020