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21374270011061 = 114749982851467
BaseRepresentation
bin1001101110000100101011…
…10001010111011010110101
32210200100201121221102202022
410313002111301113122311
510300144001110323221
6113243112025522525
74334145223254632
oct467022561273265
983610647842668
1021374270011061
1168a0860216860
122492587943445
13bc077b375086
1453c73d57b189
15270ed91ca4ab
hex137095c576b5

21374270011061 has 16 divisors (see below), whose sum is σ = 23861222784000. Its totient is φ = 18979613831280.

The previous prime is 21374270011009. The next prime is 21374270011069. The reversal of 21374270011061 is 16011007247312.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-21374270011061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21374270011069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41167751 + ... + 41683716.

It is an arithmetic number, because the mean of its divisors is an integer number (1491326424000).

Almost surely, 221374270011061 is an apocalyptic number.

It is an amenable number.

21374270011061 is a deficient number, since it is larger than the sum of its proper divisors (2486952772939).

21374270011061 is a wasteful number, since it uses less digits than its factorization.

21374270011061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82852024.

The product of its (nonzero) digits is 14112, while the sum is 35.

Adding to 21374270011061 its reverse (16011007247312), we get a palindrome (37385277258373).

The spelling of 21374270011061 in words is "twenty-one trillion, three hundred seventy-four billion, two hundred seventy million, eleven thousand, sixty-one".

Divisors: 1 11 47 499 517 5489 23453 257983 82851467 911366137 3894018949 41342882033 42834208439 454771702363 1943115455551 21374270011061