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28758056061050 = 25219148792034521
BaseRepresentation
bin1101000100111110000011…
…01101110100100001111010
310202211020120101001210002022
412202133001231310201322
512232132444322423200
6141055134002234442
76025462303160651
oct642370155644172
9122736511053068
1028758056061050
11918824aa1a908
123285606955a22
131307b47125a74
14715c7c430198
1534d0e2b19885
hex1a27c1b7487a

28758056061050 has 48 divisors (see below), whose sum is σ = 56309058489600. Its totient is φ = 10897051881600.

The previous prime is 28758056061001. The next prime is 28758056061083. The reversal of 28758056061050 is 5016065085782.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 28758056060983 and 28758056061001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13117790 + ... + 15152310.

It is an arithmetic number, because the mean of its divisors is an integer number (1173105385200).

Almost surely, 228758056061050 is an apocalyptic number.

28758056061050 is a deficient number, since it is larger than the sum of its proper divisors (27551002428550).

28758056061050 is a wasteful number, since it uses less digits than its factorization.

28758056061050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2049431 (or 2049426 counting only the distinct ones).

The product of its (nonzero) digits is 4032000, while the sum is 53.

The spelling of 28758056061050 in words is "twenty-eight trillion, seven hundred fifty-eight billion, fifty-six million, sixty-one thousand, fifty".

Divisors: 1 2 5 10 19 25 38 50 95 190 475 950 14879 29758 74395 148790 282701 371975 565402 743950 1413505 2034521 2827010 4069042 7067525 10172605 14135050 20345210 38655899 50863025 77311798 101726050 193279495 386558990 966397475 1932794950 30271637959 60543275918 151358189795 302716379590 575161121221 756790948975 1150322242442 1513581897950 2875805606105 5751611212210 14379028030525 28758056061050