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47923199997 = 3139114923741
BaseRepresentation
bin101100101000011100…
…011111111111111101
311120200211221210121020
4230220130133333331
51241121314344442
634003212254353
73314403323151
oct545034377775
9146624853536
1047923199997
1119362440512
1293554713b9
13469971599a
1424689a3061
1513a73b19ec
hexb2871fffd

47923199997 has 8 divisors (see below), whose sum is σ = 64357295520. Its totient is φ = 31718952240.

The previous prime is 47923199981. The next prime is 47923200007. The reversal of 47923199997 is 79999132974.

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

It is not a de Polignac number, because 47923199997 - 24 = 47923199981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47923199927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57461454 + ... + 57462287.

It is an arithmetic number, because the mean of its divisors is an integer number (8044661940).

Almost surely, 247923199997 is an apocalyptic number.

It is an amenable number.

47923199997 is a deficient number, since it is larger than the sum of its proper divisors (16434095523).

47923199997 is a wasteful number, since it uses less digits than its factorization.

47923199997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114923883.

The product of its digits is 69441624, while the sum is 69.

The spelling of 47923199997 in words is "forty-seven billion, nine hundred twenty-three million, one hundred ninety-nine thousand, nine hundred ninety-seven".

Divisors: 1 3 139 417 114923741 344771223 15974399999 47923199997