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20212044983 = 131554772691
BaseRepresentation
bin10010110100101110…
…110101010010110111
31221011121112021021122
4102310232311102313
5312343240414413
613141342134155
71313605355564
oct226456652267
957147467248
1020212044983
118632199609
123b00b8135b
131ba15bb540
14d9a52186b
157d46a4108
hex4b4bb54b7

20212044983 has 4 divisors (see below), whose sum is σ = 21766817688. Its totient is φ = 18657272280.

The previous prime is 20212044953. The next prime is 20212045003. The reversal of 20212044983 is 38944021202.

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 20212044983 - 210 = 20212043959 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 (20212044913) 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, 777386333 + ... + 777386358.

It is an arithmetic number, because the mean of its divisors is an integer number (5441704422).

Almost surely, 220212044983 is an apocalyptic number.

20212044983 is a deficient number, since it is larger than the sum of its proper divisors (1554772705).

20212044983 is a wasteful number, since it uses less digits than its factorization.

20212044983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1554772704.

The product of its (nonzero) digits is 27648, while the sum is 35.

The spelling of 20212044983 in words is "twenty billion, two hundred twelve million, forty-four thousand, nine hundred eighty-three".

Divisors: 1 13 1554772691 20212044983