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47911014917 = 71854378989
BaseRepresentation
bin101100100111101110…
…000001001000000101
311120200000000201210222
4230213232001020011
51241110204434132
634002055154125
73314164623143
oct544756011005
9146600021728
1047911014917
11193565786a7
129351375945
13469703a68c
142467110593
1513a62a6412
hexb27b81205

47911014917 has 8 divisors (see below), whose sum is σ = 48592120320. Its totient is φ = 47230084720.

The previous prime is 47911014911. The next prime is 47911014937. The reversal of 47911014917 is 71941011974.

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

It is a cyclic number.

It is not a de Polignac number, because 47911014917 - 210 = 47911013893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47911014911) 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, 567059 + ... + 646047.

It is an arithmetic number, because the mean of its divisors is an integer number (6074015040).

Almost surely, 247911014917 is an apocalyptic number.

It is an amenable number.

47911014917 is a deficient number, since it is larger than the sum of its proper divisors (681105403).

47911014917 is an equidigital number, since it uses as much as digits as its factorization.

47911014917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87603.

The product of its (nonzero) digits is 63504, while the sum is 44.

The spelling of 47911014917 in words is "forty-seven billion, nine hundred eleven million, fourteen thousand, nine hundred seventeen".

Divisors: 1 71 8543 78989 606553 5608219 674803027 47911014917