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47923857069 = 3111452238093
BaseRepresentation
bin101100101000011111…
…000000011010101101
311120200220012011221020
4230220133000122231
51241122001411234
634003234324353
73314412030624
oct545037003255
9146626164836
1047923857069
111936284a150
1293557296b9
1346998b5a9a
142468ad46bb
1513a7491549
hexb287c06ad

47923857069 has 8 divisors (see below), whose sum is σ = 69707428512. Its totient is φ = 29044761840.

The previous prime is 47923857041. The next prime is 47923857077. The reversal of 47923857069 is 96075832974.

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

It is not a de Polignac number, because 47923857069 - 27 = 47923856941 is a prime.

It is a super-2 number, since 2×479238570692 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47923857019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 726119014 + ... + 726119079.

It is an arithmetic number, because the mean of its divisors is an integer number (8713428564).

Almost surely, 247923857069 is an apocalyptic number.

It is an amenable number.

47923857069 is a deficient number, since it is larger than the sum of its proper divisors (21783571443).

47923857069 is a wasteful number, since it uses less digits than its factorization.

47923857069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1452238107.

The product of its (nonzero) digits is 22861440, while the sum is 60.

The spelling of 47923857069 in words is "forty-seven billion, nine hundred twenty-three million, eight hundred fifty-seven thousand, sixty-nine".

Divisors: 1 3 11 33 1452238093 4356714279 15974619023 47923857069