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2085652789 = 11892130391
BaseRepresentation
bin111110001010000…
…1000100100110101
312101100112010202121
41330110020210311
513232411342124
6542542435541
7102453520243
oct17424104465
95340463677
102085652789
119803298a0
124a2592bb1
1327313669c
1415add3793
15c31812e4
hex7c508935

2085652789 has 8 divisors (see below), whose sum is σ = 2300823360. Its totient is φ = 1874743200.

The previous prime is 2085652787. The next prime is 2085652831. The reversal of 2085652789 is 9872565802.

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

It is not a de Polignac number, because 2085652789 - 21 = 2085652787 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2085652783) 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, 1064217 + ... + 1066174.

It is an arithmetic number, because the mean of its divisors is an integer number (287602920).

Almost surely, 22085652789 is an apocalyptic number.

It is an amenable number.

2085652789 is a deficient number, since it is larger than the sum of its proper divisors (215170571).

2085652789 is a wasteful number, since it uses less digits than its factorization.

2085652789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2130491.

The product of its (nonzero) digits is 2419200, while the sum is 52.

The square root of 2085652789 is about 45668.9477544644. The cubic root of 2085652789 is about 1277.6561903997.

The spelling of 2085652789 in words is "two billion, eighty-five million, six hundred fifty-two thousand, seven hundred eighty-nine".

Divisors: 1 11 89 979 2130391 23434301 189604799 2085652789