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6996780101 = 19935159699
BaseRepresentation
bin1101000010000101…
…00110010001000101
3200001121200020220202
412201002212101011
5103312133430401
63114141140245
7335246435543
oct64102462105
920047606822
106996780101
112a705554a3
12143325a685
1387674948c
144a535cd93
152ae3d006b
hex1a10a6445

6996780101 has 4 divisors (see below), whose sum is σ = 7031940000. Its totient is φ = 6961620204.

The previous prime is 6996780047. The next prime is 6996780121. The reversal of 6996780101 is 1010876996.

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 a cyclic number.

It is not a de Polignac number, because 6996780101 - 210 = 6996779077 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 (6996780121) 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, 17579651 + ... + 17580048.

It is an arithmetic number, because the mean of its divisors is an integer number (1757985000).

Almost surely, 26996780101 is an apocalyptic number.

It is an amenable number.

6996780101 is a deficient number, since it is larger than the sum of its proper divisors (35159899).

6996780101 is a wasteful number, since it uses less digits than its factorization.

6996780101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35159898.

The product of its (nonzero) digits is 163296, while the sum is 47.

The square root of 6996780101 is about 83646.7578630517. The cubic root of 6996780101 is about 1912.6378308742.

The spelling of 6996780101 in words is "six billion, nine hundred ninety-six million, seven hundred eighty thousand, one hundred one".

Divisors: 1 199 35159699 6996780101