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47919006537 = 341794931461
BaseRepresentation
bin101100101000001100…
…100000001101001001
311120200120001202020220
4230220030200031021
51241114231202122
634002542340253
73314322556263
oct545014401511
9146616052226
1047919006537
1119360036946
129353b8a689
1346988a804c
1424681d0b33
1513a6d3425c
hexb28320349

47919006537 has 16 divisors (see below), whose sum is σ = 66278849280. Its totient is φ = 30772310400.

The previous prime is 47919006529. The next prime is 47919006571. The reversal of 47919006537 is 73560091974.

It is not a de Polignac number, because 47919006537 - 23 = 47919006529 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47919006537.

It is not an unprimeable number, because it can be changed into a prime (47919006437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2456014 + ... + 2475447.

It is an arithmetic number, because the mean of its divisors is an integer number (4142428080).

Almost surely, 247919006537 is an apocalyptic number.

It is an amenable number.

47919006537 is a deficient number, since it is larger than the sum of its proper divisors (18359842743).

47919006537 is a wasteful number, since it uses less digits than its factorization.

47919006537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4931584.

The product of its (nonzero) digits is 1428840, while the sum is 51.

The spelling of 47919006537 in words is "forty-seven billion, nine hundred nineteen million, six thousand, five hundred thirty-seven".

Divisors: 1 3 41 79 123 237 3239 9717 4931461 14794383 202189901 389585419 606569703 1168756257 15973002179 47919006537