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2231127052021 = 74311053170223
BaseRepresentation
bin100000011101111001100…
…010010000111011110101
321220021221002011121120001
4200131321202100323311
5243023322011131041
64424544323511301
7320123260013620
oct40357142207365
97807832147501
102231127052021
1179024106796a
123004a7b28531
131325185ab50a
1479db695adb7
153d083ea7131
hex20779890ef5

2231127052021 has 16 divisors (see below), whose sum is σ = 2556054724608. Its totient is φ = 1907749162800.

The previous prime is 2231127052019. The next prime is 2231127052109. The reversal of 2231127052021 is 1202507211322.

2231127052021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2231127052021 - 21 = 2231127052019 is a prime.

It is a super-3 number, since 3×22311270520213 (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231127056021) 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, 31736916 + ... + 31807138.

It is an arithmetic number, because the mean of its divisors is an integer number (159753420288).

Almost surely, 22231127052021 is an apocalyptic number.

It is an amenable number.

2231127052021 is a deficient number, since it is larger than the sum of its proper divisors (324927672587).

2231127052021 is a wasteful number, since it uses less digits than its factorization.

2231127052021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81192.

The product of its (nonzero) digits is 3360, while the sum is 28.

The spelling of 2231127052021 in words is "two trillion, two hundred thirty-one billion, one hundred twenty-seven million, fifty-two thousand, twenty-one".

Divisors: 1 7 431 3017 10531 70223 73717 491561 4538861 30266113 31772027 211862791 739518413 5176628891 318732436003 2231127052021