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47830390077 = 315943463359
BaseRepresentation
bin101100100010111010…
…011101010100111101
311120110101022120022210
4230202322131110331
51240424034440302
633550055131033
73312165415251
oct544272352475
9146411276283
1047830390077
111931500aaa8
12932a373a79
13468341ba82
14245a524261
15139e17c66c
hexb22e9d53d

47830390077 has 4 divisors (see below), whose sum is σ = 63773853440. Its totient is φ = 31886926716.

The previous prime is 47830390067. The next prime is 47830390087. The reversal of 47830390077 is 77009303874.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (47830390067) and next prime (47830390087).

It is a de Polignac number, because none of the positive numbers 2k-47830390077 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 (47830390067) 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, 7971731677 + ... + 7971731682.

It is an arithmetic number, because the mean of its divisors is an integer number (15943463360).

Almost surely, 247830390077 is an apocalyptic number.

It is an amenable number.

47830390077 is a deficient number, since it is larger than the sum of its proper divisors (15943463363).

47830390077 is a wasteful number, since it uses less digits than its factorization.

47830390077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15943463362.

The product of its (nonzero) digits is 889056, while the sum is 48.

The spelling of 47830390077 in words is "forty-seven billion, eight hundred thirty million, three hundred ninety thousand, seventy-seven".

Divisors: 1 3 15943463359 47830390077