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19700080797 = 316187405677
BaseRepresentation
bin10010010110001101…
…110110000010011101
31212211221011210110010
4102112031312002131
5310321210041142
613014453033433
71265120631615
oct222615660235
955757153403
1019700080797
11839a200311
123999625879
131b1c507857
14d4c533a45
157a4775e9c
hex49637609d

19700080797 has 8 divisors (see below), whose sum is σ = 26268461856. Its totient is φ = 13132543472.

The previous prime is 19700080753. The next prime is 19700080837. The reversal of 19700080797 is 79708000791.

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 19700080797 - 212 = 19700076701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19700080997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154278 + ... + 251399.

It is an arithmetic number, because the mean of its divisors is an integer number (3283557732).

Almost surely, 219700080797 is an apocalyptic number.

It is an amenable number.

19700080797 is a deficient number, since it is larger than the sum of its proper divisors (6568381059).

19700080797 is a wasteful number, since it uses less digits than its factorization.

19700080797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421867.

The product of its (nonzero) digits is 222264, while the sum is 48.

The spelling of 19700080797 in words is "nineteen billion, seven hundred million, eighty thousand, seven hundred ninety-seven".

Divisors: 1 3 16187 48561 405677 1217031 6566693599 19700080797