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2100202101012 = 223210869829979
BaseRepresentation
bin11110100011111101110…
…011001101100100010100
321102202222200202222200110
4132203331303031210110
5233402203214213022
64244453003443020
7304506652211241
oct36437563154424
97382880688613
102100202101012
1173a766374414
1229b049526470
13123081bb54c2
14739166bc5c8
153996ed3900c
hex1e8fdccd914

2100202101012 has 24 divisors (see below), whose sum is σ = 4900500712800. Its totient is φ = 700063203616.

The previous prime is 2100202100963. The next prime is 2100202101043. The reversal of 2100202101012 is 2101012020012.

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

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2115439 + ... + 2945417.

It is an arithmetic number, because the mean of its divisors is an integer number (204187529700).

Almost surely, 22100202101012 is an apocalyptic number.

It is an amenable number.

2100202101012 is an abundant number, since it is smaller than the sum of its proper divisors (2800298611788).

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

2100202101012 is a wasteful number, since it uses less digits than its factorization.

2100202101012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040855 (or 1040853 counting only the distinct ones).

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

Adding to 2100202101012 its reverse (2101012020012), we get a palindrome (4201214121024).

The spelling of 2100202101012 in words is "two trillion, one hundred billion, two hundred two million, one hundred one thousand, twelve".

Divisors: 1 2 3 4 6 12 210869 421738 632607 829979 843476 1265214 1659958 2489937 2530428 3319916 4979874 9959748 175016841751 350033683502 525050525253 700067367004 1050101050506 2100202101012