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212111002 = 2432466407
BaseRepresentation
bin11001010010010…
…00111010011010
3112210010100121001
430221020322122
5413300023002
633014135214
75153625265
oct1451107232
9483110531
10212111002
11a9805154
125b05150a
1334c3798c
1420255cdc
151394ca87
hexca48e9a

212111002 has 8 divisors (see below), whose sum is σ = 325565856. Its totient is φ = 103589052.

The previous prime is 212110981. The next prime is 212111027. The reversal of 212111002 is 200111212.

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

It is a self number, because there is not a number n which added to its sum of digits gives 212111002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1233118 + ... + 1233289.

It is an arithmetic number, because the mean of its divisors is an integer number (40695732).

Almost surely, 2212111002 is an apocalyptic number.

212111002 is a deficient number, since it is larger than the sum of its proper divisors (113454854).

212111002 is a wasteful number, since it uses less digits than its factorization.

212111002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2466452.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 212111002 is about 14564.0311040591. The cubic root of 212111002 is about 596.3772460398.

Adding to 212111002 its reverse (200111212), we get a palindrome (412222214).

The spelling of 212111002 in words is "two hundred twelve million, one hundred eleven thousand, two".

Divisors: 1 2 43 86 2466407 4932814 106055501 212111002