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20860730323 = 109191382847
BaseRepresentation
bin10011011011011001…
…010111101111010011
31222211211010220021121
4103123121113233103
5320210321332243
613325553503111
71335643165516
oct233331275723
958754126247
1020860730323
11893537a4a4
124062271a97
131c75b02014
14101c73cd7d
158215dc1ed
hex4db657bd3

20860730323 has 4 divisors (see below), whose sum is σ = 21052113280. Its totient is φ = 20669347368.

The previous prime is 20860730321. The next prime is 20860730353. The reversal of 20860730323 is 32303706802.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20860730323 - 21 = 20860730321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20860730321) 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, 95691315 + ... + 95691532.

It is an arithmetic number, because the mean of its divisors is an integer number (5263028320).

Almost surely, 220860730323 is an apocalyptic number.

20860730323 is a deficient number, since it is larger than the sum of its proper divisors (191382957).

20860730323 is a wasteful number, since it uses less digits than its factorization.

20860730323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191382956.

The product of its (nonzero) digits is 36288, while the sum is 34.

The spelling of 20860730323 in words is "twenty billion, eight hundred sixty million, seven hundred thirty thousand, three hundred twenty-three".

Divisors: 1 109 191382847 20860730323