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20114632288181 = 1271247912691957
BaseRepresentation
bin1001001001011010011011…
…00000110010011110110101
32122012221101022100002210202
410210231031200302132311
510114024231331210211
6110440311241530245
74144143224263454
oct444551540623665
978187338302722
1020114632288181
1164556275a2892
12230a4257a3985
13b2ba563c4562
144d77a6744b9b
1524d36399d53b
hex124b4d8327b5

20114632288181 has 8 divisors (see below), whose sum is σ = 20274641387520. Its totient is φ = 19954648597968.

The previous prime is 20114632288171. The next prime is 20114632288193. The reversal of 20114632288181 is 18188223641102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20114632288181 is a prime.

It is a super-2 number, since 2×201146322881812 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20114632288171) 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, 4761146 + ... + 7930811.

It is an arithmetic number, because the mean of its divisors is an integer number (2534330173440).

Almost surely, 220114632288181 is an apocalyptic number.

It is an amenable number.

20114632288181 is a deficient number, since it is larger than the sum of its proper divisors (160009099339).

20114632288181 is a wasteful number, since it uses less digits than its factorization.

20114632288181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12704563.

The product of its (nonzero) digits is 294912, while the sum is 47.

The spelling of 20114632288181 in words is "twenty trillion, one hundred fourteen billion, six hundred thirty-two million, two hundred eighty-eight thousand, one hundred eighty-one".

Divisors: 1 127 12479 1584833 12691957 1611878539 158382931403 20114632288181