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47025919793 = 137343254889
BaseRepresentation
bin101011110010111101…
…101001011100110001
311111101022120020120002
4223302331221130301
51232302113413133
633334200355345
73253226502656
oct536275513461
9144338506502
1047025919793
1118a419a6626
129144a75b55
134585862258
1423c1753c2d
151353720ce8
hexaf2f69731

47025919793 has 4 divisors (see below), whose sum is σ = 47369174820. Its totient is φ = 46682664768.

The previous prime is 47025919783. The next prime is 47025919799. The reversal of 47025919793 is 39791952074.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 36874752784 + 10151167009 = 192028^2 + 100753^2 .

It is a cyclic number.

It is not a de Polignac number, because 47025919793 - 26 = 47025919729 is a prime.

It is a super-2 number, since 2×470259197932 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47025919799) 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, 171627308 + ... + 171627581.

It is an arithmetic number, because the mean of its divisors is an integer number (11842293705).

Almost surely, 247025919793 is an apocalyptic number.

It is an amenable number.

47025919793 is a deficient number, since it is larger than the sum of its proper divisors (343255027).

47025919793 is a wasteful number, since it uses less digits than its factorization.

47025919793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343255026.

The product of its (nonzero) digits is 4286520, while the sum is 56.

The spelling of 47025919793 in words is "forty-seven billion, twenty-five million, nine hundred nineteen thousand, seven hundred ninety-three".

Divisors: 1 137 343254889 47025919793