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20852082429 = 38978097687
BaseRepresentation
bin10011011010111000…
…011000011011111101
31222211012212112121020
4103122320120123331
5320201113114204
613325044254353
71335506530143
oct233270303375
958735775536
1020852082429
118930503182
12405b3a13b9
131c74094a19
14101b52b593
1582097ebd9
hex4dae186fd

20852082429 has 8 divisors (see below), whose sum is σ = 28115167680. Its totient is φ = 13745192736.

The previous prime is 20852082403. The next prime is 20852082431. The reversal of 20852082429 is 92428025802.

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

It is not a de Polignac number, because 20852082429 - 29 = 20852081917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20852082829) 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, 39048577 + ... + 39049110.

It is an arithmetic number, because the mean of its divisors is an integer number (3514395960).

Almost surely, 220852082429 is an apocalyptic number.

It is an amenable number.

20852082429 is a deficient number, since it is larger than the sum of its proper divisors (7263085251).

20852082429 is an equidigital number, since it uses as much as digits as its factorization.

20852082429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78097779.

The product of its (nonzero) digits is 184320, while the sum is 42.

The spelling of 20852082429 in words is "twenty billion, eight hundred fifty-two million, eighty-two thousand, four hundred twenty-nine".

Divisors: 1 3 89 267 78097687 234293061 6950694143 20852082429