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47053902780 = 2236523140317
BaseRepresentation
bin101011110100101000…
…011001001110111100
311111110021012221000000
4223310220121032330
51232331244342110
633341040234300
73254016401013
oct536450311674
9144407187000
1047053902780
1118a56779665
12915230b990
13458b5ac131
1423c5359a7a
151355dec1c0
hexaf4a193bc

47053902780 has 168 divisors, whose sum is σ = 154594514592. Its totient is φ = 12002069376.

The previous prime is 47053902773. The next prime is 47053902887. The reversal of 47053902780 is 8720935074.

47053902780 is a `hidden beast` number, since 47 + 0 + 539 + 0 + 2 + 78 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 265182 + ... + 405498.

It is an arithmetic number, because the mean of its divisors is an integer number (920205444).

Almost surely, 247053902780 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47053902780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77297257296).

47053902780 is an abundant number, since it is smaller than the sum of its proper divisors (107540611812).

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

47053902780 is a wasteful number, since it uses less digits than its factorization.

47053902780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140367 (or 140350 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The spelling of 47053902780 in words is "forty-seven billion, fifty-three million, nine hundred two thousand, seven hundred eighty".