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2028634438827 = 34340974351749
BaseRepresentation
bin11101100001010100000…
…010001111110010101011
321011221021000121001120110
4131201110002033302223
5231214120404020302
64151535232225403
7266364311135013
oct35412402176253
97157230531513
102028634438827
11712380288567
122891b569b263
131193b7a481b9
14702877ccc43
1537b81cb5b6c
hex1d85408fcab

2028634438827 has 32 divisors (see below), whose sum is σ = 2778304320000. Its totient is φ = 1315942532352.

The previous prime is 2028634438771. The next prime is 2028634438903. The reversal of 2028634438827 is 7288344368202.

It is not a de Polignac number, because 2028634438827 - 214 = 2028634422443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2028634431827) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39175549 + ... + 39227297.

It is an arithmetic number, because the mean of its divisors is an integer number (86822010000).

Almost surely, 22028634438827 is an apocalyptic number.

2028634438827 is a deficient number, since it is larger than the sum of its proper divisors (749669881173).

2028634438827 is a wasteful number, since it uses less digits than its factorization.

2028634438827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52947.

The product of its (nonzero) digits is 24772608, while the sum is 57.

The spelling of 2028634438827 in words is "two trillion, twenty-eight billion, six hundred thirty-four million, four hundred thirty-eight thousand, eight hundred twenty-seven".

Divisors: 1 3 43 129 409 743 1227 2229 17587 31949 51749 52761 95847 155247 303887 911661 2225207 6675621 13067141 21165341 38449507 39201423 63496023 115348521 910109663 1653328801 2730328989 4959986403 15725848363 47177545089 676211479609 2028634438827