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20212304102 = 211298951419
BaseRepresentation
bin10010110100101111…
…110100100011100110
31221011122000102201122
4102310233310203212
5312343322212402
613141351453542
71313610515204
oct226457644346
957148012648
1020212304102
118632356261
123b010872b2
131ba167c473
14d9a58c074
157d4705ca2
hex4b4bf48e6

20212304102 has 8 divisors (see below), whose sum is σ = 30345313800. Its totient is φ = 10097199504.

The previous prime is 20212304059. The next prime is 20212304117. The reversal of 20212304102 is 20140321202.

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

It is a super-2 number, since 2×202123041022 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4473452 + ... + 4477967.

It is an arithmetic number, because the mean of its divisors is an integer number (3793164225).

Almost surely, 220212304102 is an apocalyptic number.

20212304102 is a deficient number, since it is larger than the sum of its proper divisors (10133009698).

20212304102 is a wasteful number, since it uses less digits than its factorization.

20212304102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8952550.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20212304102 its reverse (20140321202), we get a palindrome (40352625304).

The spelling of 20212304102 in words is "twenty billion, two hundred twelve million, three hundred four thousand, one hundred two".

Divisors: 1 2 1129 2258 8951419 17902838 10106152051 20212304102