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20629450703 = 70129428603
BaseRepresentation
bin10011001101100111…
…000110111111001111
31222020200221200021202
4103031213012333033
5314222114410303
613251012420115
71330134303101
oct231547067717
958220850252
1020629450703
118826872714
123bb891763b
131c39c15484
14dd9b37571
1580b154c88
hex4cd9c6fcf

20629450703 has 4 divisors (see below), whose sum is σ = 20658880008. Its totient is φ = 20600021400.

The previous prime is 20629450691. The next prime is 20629450711. The reversal of 20629450703 is 30705492602.

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 20629450703 - 28 = 20629450447 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 (20629450733) 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, 14713601 + ... + 14715002.

It is an arithmetic number, because the mean of its divisors is an integer number (5164720002).

Almost surely, 220629450703 is an apocalyptic number.

20629450703 is a deficient number, since it is larger than the sum of its proper divisors (29429305).

20629450703 is an equidigital number, since it uses as much as digits as its factorization.

20629450703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29429304.

The product of its (nonzero) digits is 90720, while the sum is 38.

The spelling of 20629450703 in words is "twenty billion, six hundred twenty-nine million, four hundred fifty thousand, seven hundred three".

Divisors: 1 701 29428603 20629450703