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19700705318 = 271407193237
BaseRepresentation
bin10010010110010000…
…001110100000100110
31212211222100112010112
4102112100032200212
5310321340032233
613014514253022
71265126142440
oct222620164046
955758315115
1019700705318
11839a597548
123999887172
131b1c695ba8
14d4c657490
157a484b048
hex49640e826

19700705318 has 8 divisors (see below), whose sum is σ = 33772637712. Its totient is φ = 8443159416.

The previous prime is 19700705317. The next prime is 19700705383. The reversal of 19700705318 is 81350700791.

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

It is a super-2 number, since 2×197007053182 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19700705317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 703596605 + ... + 703596632.

It is an arithmetic number, because the mean of its divisors is an integer number (4221579714).

Almost surely, 219700705318 is an apocalyptic number.

19700705318 is a deficient number, since it is larger than the sum of its proper divisors (14071932394).

19700705318 is a wasteful number, since it uses less digits than its factorization.

19700705318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1407193246.

The product of its (nonzero) digits is 52920, while the sum is 41.

The spelling of 19700705318 in words is "nineteen billion, seven hundred million, seven hundred five thousand, three hundred eighteen".

Divisors: 1 2 7 14 1407193237 2814386474 9850352659 19700705318