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2111210232100 = 225221112102321
BaseRepresentation
bin11110101110001101111…
…011111001100100100100
321110211101212111222200021
4132232031323321210210
5234042224304411400
64253513202124524
7305346520611004
oct36561573714444
97424355458607
102111210232100
117443a5156212
122a1200050744
131241176c8b38
147427c6a8004
1539db648271a
hex1eb8def9924

2111210232100 has 18 divisors (see below), whose sum is σ = 4581326203874. Its totient is φ = 844484092800.

The previous prime is 2111210232031. The next prime is 2111210232137. The reversal of 2111210232100 is 12320121112.

It can be written as a sum of positive squares in 3 ways, for example, as 758487711744 + 1352722520356 = 870912^2 + 1163066^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10556051061 + ... + 10556051260.

Almost surely, 22111210232100 is an apocalyptic number.

2111210232100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2111210232100 is an abundant number, since it is smaller than the sum of its proper divisors (2470115971774).

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

2111210232100 is a wasteful number, since it uses less digits than its factorization.

2111210232100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21112102335 (or 21112102328 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 2111210232100 its reverse (12320121112), we get a palindrome (2123530353212).

The spelling of 2111210232100 in words is "two trillion, one hundred eleven billion, two hundred ten million, two hundred thirty-two thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 21112102321 42224204642 84448409284 105560511605 211121023210 422242046420 527802558025 1055605116050 2111210232100