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20852898411 = 3171923935653
BaseRepresentation
bin10011011010111011…
…011111101001101011
31222211021101222220210
4103122323133221223
5320201320222121
613325113552203
71335516466122
oct233273375153
958737358823
1020852898411
118930a10244
12405b715663
131c742bc257
14101b6a0ab9
15820a91876
hex4daedfa6b

20852898411 has 32 divisors (see below), whose sum is σ = 32336202240. Its totient is φ = 11856582144.

The previous prime is 20852898401. The next prime is 20852898421. The reversal of 20852898411 is 11489825802.

It is an interprime number because it is at equal distance from previous prime (20852898401) and next prime (20852898421).

It is not a de Polignac number, because 20852898411 - 26 = 20852898347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20852898401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 445540 + ... + 490113.

It is an arithmetic number, because the mean of its divisors is an integer number (1010506320).

Almost surely, 220852898411 is an apocalyptic number.

20852898411 is a deficient number, since it is larger than the sum of its proper divisors (11483303829).

20852898411 is a wasteful number, since it uses less digits than its factorization.

20852898411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 935715.

The product of its (nonzero) digits is 368640, while the sum is 48.

The spelling of 20852898411 in words is "twenty billion, eight hundred fifty-two million, eight hundred ninety-eight thousand, four hundred eleven".

Divisors: 1 3 17 19 23 51 57 69 323 391 437 969 1173 1311 7429 22287 935653 2806959 15906101 17777407 21520019 47718303 53332221 64560057 302215919 365840323 408880361 906647757 1097520969 1226641083 6950966137 20852898411