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47977877974 = 2131845302999
BaseRepresentation
bin101100101011101101…
…000101000111010110
311120211122211201200111
4230223231011013112
51241224314043344
634012444233234
73315636143155
oct545355050726
9146748751614
1047977877974
1119390296924
12936b83b81a
1346a7b4b410
142471d5759c
1513ac0b2834
hexb2bb451d6

47977877974 has 8 divisors (see below), whose sum is σ = 77502726000. Its totient is φ = 22143635976.

The previous prime is 47977877971. The next prime is 47977877999.

47977877974 is nontrivially palindromic in base 10.

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

It is a self number, because there is not a number n which added to its sum of digits gives 47977877974.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47977877971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 922651474 + ... + 922651525.

It is an arithmetic number, because the mean of its divisors is an integer number (9687840750).

Almost surely, 247977877974 is an apocalyptic number.

47977877974 is a deficient number, since it is larger than the sum of its proper divisors (29524848026).

47977877974 is a wasteful number, since it uses less digits than its factorization.

47977877974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1845303014.

The product of its digits is 1219784832, while the sum is 76.

The spelling of 47977877974 in words is "forty-seven billion, nine hundred seventy-seven million, eight hundred seventy-seven thousand, nine hundred seventy-four".

Divisors: 1 2 13 26 1845302999 3690605998 23988938987 47977877974