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20113012011010 = 257128328185931
BaseRepresentation
bin1001001001010111011001…
…11011111011000000000010
32122012210012101111111101011
410210223230323323000002
510114012422033323020
6110435442401431134
74144055121201352
oct444535473730002
978183171444334
1020113012011010
116454975a31646
12230a05303b4aa
13b2b85880c179
144d7691492b62
1524d2bb5e635a
hex124aecefb002

20113012011010 has 16 divisors (see below), whose sum is σ = 36713328967872. Its totient is φ = 7931892060400.

The previous prime is 20113012010977. The next prime is 20113012011011. The reversal of 20113012011010 is 1011021031102.

It is a happy number.

It is a super-2 number, since 2×201130120110102 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20113012011011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14164092256 + ... + 14164093675.

It is an arithmetic number, because the mean of its divisors is an integer number (2294583060492).

Almost surely, 220113012011010 is an apocalyptic number.

20113012011010 is a deficient number, since it is larger than the sum of its proper divisors (16600316956862).

20113012011010 is a wasteful number, since it uses less digits than its factorization.

20113012011010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28328186009.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 20113012011010 its reverse (1011021031102), we get a palindrome (21124033042112).

The spelling of 20113012011010 in words is "twenty trillion, one hundred thirteen billion, twelve million, eleven thousand, ten".

Divisors: 1 2 5 10 71 142 355 710 28328185931 56656371862 141640929655 283281859310 2011301201101 4022602402202 10056506005505 20113012011010