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47919019910 = 254791901991
BaseRepresentation
bin101100101000001100…
…100011011110000110
311120200120002102121012
4230220030203132012
51241114232114120
634002542522222
73314322643256
oct545014433606
9146616072535
1047919019910
11193600459a3
129353b96372
1346988b1168
1424681d5966
1513a6d381c5
hexb28323786

47919019910 has 8 divisors (see below), whose sum is σ = 86254235856. Its totient is φ = 19167607960.

The previous prime is 47919019877. The next prime is 47919019919. The reversal of 47919019910 is 1991091974.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47919019919) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2395950986 + ... + 2395951005.

It is an arithmetic number, because the mean of its divisors is an integer number (10781779482).

Almost surely, 247919019910 is an apocalyptic number.

47919019910 is a deficient number, since it is larger than the sum of its proper divisors (38335215946).

47919019910 is a wasteful number, since it uses less digits than its factorization.

47919019910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4791901998.

The product of its (nonzero) digits is 183708, while the sum is 50.

The spelling of 47919019910 in words is "forty-seven billion, nine hundred nineteen million, nineteen thousand, nine hundred ten".

Divisors: 1 2 5 10 4791901991 9583803982 23959509955 47919019910