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47909937986 = 2231041520391
BaseRepresentation
bin101100100111101001…
…111010001101000010
311120122221000000112122
4230213221322031002
51241104421003421
634002020124242
73314152516331
oct544751721502
9146587000478
1047909937986
1119355a02579
129350b36682
134696a51441
142466d0dd18
1513a61422ab
hexb27a7a342

47909937986 has 8 divisors (see below), whose sum is σ = 74989468224. Its totient is φ = 22913448580.

The previous prime is 47909937979. The next prime is 47909938003. The reversal of 47909937986 is 68973990974.

47909937986 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 520760150 + ... + 520760241.

It is an arithmetic number, because the mean of its divisors is an integer number (9373683528).

Almost surely, 247909937986 is an apocalyptic number.

47909937986 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

47909937986 is a deficient number, since it is larger than the sum of its proper divisors (27079530238).

47909937986 is a wasteful number, since it uses less digits than its factorization.

47909937986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041520416.

The product of its (nonzero) digits is 185177664, while the sum is 71.

The spelling of 47909937986 in words is "forty-seven billion, nine hundred nine million, nine hundred thirty-seven thousand, nine hundred eighty-six".

Divisors: 1 2 23 46 1041520391 2083040782 23954968993 47909937986