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20111101201010 = 258087248684323
BaseRepresentation
bin1001001001010011110110…
…00010110000101001110010
32122012121021012222021211102
410210221323002300221302
510114000013401413020
6110434525022244402
74143656556446621
oct444517302605162
978177235867742
1020111101201010
116454085372826
1223097bb126702
13b2b612992171
144d754d7b36b8
1524d2089a0475
hex124a7b0b0a72

20111101201010 has 16 divisors (see below), whose sum is σ = 36204458625216. Its totient is φ = 8043445710768.

The previous prime is 20111101200991. The next prime is 20111101201031. The reversal of 20111101201010 is 1010210111102.

It is a junction number, because it is equal to n+sod(n) for n = 20111101200982 and 20111101201000.

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, 124261292 + ... + 124423031.

It is an arithmetic number, because the mean of its divisors is an integer number (2262778664076).

Almost surely, 220111101201010 is an apocalyptic number.

20111101201010 is a deficient number, since it is larger than the sum of its proper divisors (16093357424206).

20111101201010 is a wasteful number, since it uses less digits than its factorization.

20111101201010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248692417.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 20111101201010 its reverse (1010210111102), we get a palindrome (21121311312112).

The spelling of 20111101201010 in words is "twenty trillion, one hundred eleven billion, one hundred one million, two hundred one thousand, ten".

Divisors: 1 2 5 10 8087 16174 40435 80870 248684323 497368646 1243421615 2486843230 2011110120101 4022220240202 10055550600505 20111101201010