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210000210112020 = 223512853272310239
BaseRepresentation
bin101111101111111001111011…
…111011010010111000010100
31000112112211020201020002220110
4233233321323323102320110
5210011120412242041040
62022344433102003020
762143004654623446
oct5757717373227024
91015484221202813
10210000210112020
1160a04652a06669
121b677545576470
139023c1cb02233
1439c00c8a08496
1519428c2687980
hexbefe7bed2e14

210000210112020 has 48 divisors (see below), whose sum is σ = 588046338593280. Its totient is φ = 55995698860416.

The previous prime is 210000210111973. The next prime is 210000210112057. The reversal of 210000210112020 is 20211012000012.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 210000210111987 and 210000210112005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135383940 + ... + 136926299.

It is an arithmetic number, because the mean of its divisors is an integer number (12250965387360).

Almost surely, 2210000210112020 is an apocalyptic number.

210000210112020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210000210112020 is an abundant number, since it is smaller than the sum of its proper divisors (378046128481260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210000210112020 is a wasteful number, since it uses less digits than its factorization.

210000210112020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272323104 (or 272323102 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 210000210112020 its reverse (20211012000012), we get a palindrome (230211222112032).

The spelling of 210000210112020 in words is "two hundred ten trillion, two hundred ten million, one hundred twelve thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 12853 25706 38559 51412 64265 77118 128530 154236 192795 257060 385590 771180 272310239 544620478 816930717 1089240956 1361551195 1633861434 2723102390 3267722868 4084653585 5446204780 8169307170 16338614340 3500003501867 7000007003734 10500010505601 14000014007468 17500017509335 21000021011202 35000035018670 42000042022404 52500052528005 70000070037340 105000105056010 210000210112020