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19702294085 = 54583859799
BaseRepresentation
bin10010010110010110…
…010010011001000101
31212212002100020111202
4102112112102121011
5310322241402320
613015012312245
71265145510425
oct222626223105
955762306452
1019702294085
1183a0482181
12399a312685
131b1cb010a6
14d4c94c485
157a4a61b75
hex496592645

19702294085 has 8 divisors (see below), whose sum is σ = 23647939200. Its totient is φ = 15758377744.

The previous prime is 19702294081. The next prime is 19702294121. The reversal of 19702294085 is 58049220791.

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 19702294085 - 22 = 19702294081 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19702294081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 406985 + ... + 452814.

It is an arithmetic number, because the mean of its divisors is an integer number (2955992400).

Almost surely, 219702294085 is an apocalyptic number.

It is an amenable number.

19702294085 is a deficient number, since it is larger than the sum of its proper divisors (3945645115).

19702294085 is an equidigital number, since it uses as much as digits as its factorization.

19702294085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864387.

The product of its (nonzero) digits is 362880, while the sum is 47.

The spelling of 19702294085 in words is "nineteen billion, seven hundred two million, two hundred ninety-four thousand, eighty-five".

Divisors: 1 5 4583 22915 859799 4298995 3940458817 19702294085