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20838599373 = 331149692
BaseRepresentation
bin10011011010000100…
…111100101011001101
31222210021111112022210
4103122010330223031
5320134140134443
613323443301033
71335254113014
oct233204745315
958707445283
1020838599373
118923934159
12405697a779
131c71353997
14101981ba7b
1581e6b9c33
hex4da13cacd

20838599373 has 12 divisors (see below), whose sum is σ = 28682999168. Its totient is φ = 13443359520.

The previous prime is 20838599347. The next prime is 20838599389. The reversal of 20838599373 is 37399583802.

It is not a de Polignac number, because 20838599373 - 210 = 20838598349 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 (20838595373) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1384633 + ... + 1399601.

Almost surely, 220838599373 is an apocalyptic number.

It is an amenable number.

20838599373 is a deficient number, since it is larger than the sum of its proper divisors (7844399795).

20838599373 is an frugal number, since it uses more digits than its factorization.

20838599373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29972 (or 15003 counting only the distinct ones).

The product of its (nonzero) digits is 9797760, while the sum is 57.

The spelling of 20838599373 in words is "twenty billion, eight hundred thirty-eight million, five hundred ninety-nine thousand, three hundred seventy-three".

Divisors: 1 3 31 93 14969 44907 464039 1392117 224070961 672212883 6946199791 20838599373