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2101100131230 = 23570036671041
BaseRepresentation
bin11110100100110011010…
…100111011001110011110
321102212022021120122112220
4132210303110323032132
5233411023113144410
64245122043410210
7304541135304162
oct36446324731636
97385267518486
102101100131230
11740087280851
1229b25a223966
13123195c6c429
147399da84ca2
15399c3ac7070
hex1e93353b39e

2101100131230 has 16 divisors (see below), whose sum is σ = 5042640315024. Its totient is φ = 560293368320.

The previous prime is 2101100131213. The next prime is 2101100131261. The reversal of 2101100131230 is 321310011012.

It is a happy number.

It is a super-2 number, since 2×21011001312302 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35018335491 + ... + 35018335550.

It is an arithmetic number, because the mean of its divisors is an integer number (315165019689).

Almost surely, 22101100131230 is an apocalyptic number.

2101100131230 is an abundant number, since it is smaller than the sum of its proper divisors (2941540183794).

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

2101100131230 is a wasteful number, since it uses less digits than its factorization.

2101100131230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70036671051.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 2101100131230 its reverse (321310011012), we get a palindrome (2422410142242).

The spelling of 2101100131230 in words is "two trillion, one hundred one billion, one hundred million, one hundred thirty-one thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 70036671041 140073342082 210110013123 350183355205 420220026246 700366710410 1050550065615 2101100131230