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20747348303 = 117639246907
BaseRepresentation
bin10011010100101000…
…110110100101001111
31222112220210111101112
4103110220312211033
5314442310121203
613310423402235
71333065356633
oct232450664517
958486714345
1020747348303
118887378950
1240302b337b
131c58484476
14100b666dc3
158166926d8
hex4d4a3694f

20747348303 has 8 divisors (see below), whose sum is σ = 22636525440. Its totient is φ = 18858680280.

The previous prime is 20747348239. The next prime is 20747348311. The reversal of 20747348303 is 30384374702.

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

It is not a de Polignac number, because 20747348303 - 26 = 20747348239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20747348803) 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, 39425 + ... + 207482.

It is an arithmetic number, because the mean of its divisors is an integer number (2829565680).

Almost surely, 220747348303 is an apocalyptic number.

20747348303 is a deficient number, since it is larger than the sum of its proper divisors (1889177137).

20747348303 is a wasteful number, since it uses less digits than its factorization.

20747348303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254557.

The product of its (nonzero) digits is 338688, while the sum is 41.

The spelling of 20747348303 in words is "twenty billion, seven hundred forty-seven million, three hundred forty-eight thousand, three hundred three".

Divisors: 1 11 7639 84029 246907 2715977 1886122573 20747348303