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28758056061052 = 2223312587565881
BaseRepresentation
bin1101000100111110000011…
…01101110100100001111100
310202211020120101001210002101
412202133001231310201330
512232132444322423202
6141055134002234444
76025462303160653
oct642370155644174
9122736511053071
1028758056061052
11918824aa1a90a
123285606955a24
131307b47125a76
14715c7c43019a
1534d0e2b19887
hex1a27c1b7487c

28758056061052 has 12 divisors (see below), whose sum is σ = 52514711068176. Its totient is φ = 13753852898720.

The previous prime is 28758056061001. The next prime is 28758056061083. The reversal of 28758056061052 is 25016065085782.

It is a junction number, because it is equal to n+sod(n) for n = 28758056060984 and 28758056061002.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 156293782849 + ... + 156293783032.

It is an arithmetic number, because the mean of its divisors is an integer number (4376225922348).

Almost surely, 228758056061052 is an apocalyptic number.

It is an amenable number.

28758056061052 is a deficient number, since it is larger than the sum of its proper divisors (23756655007124).

28758056061052 is a wasteful number, since it uses less digits than its factorization.

28758056061052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312587565908 (or 312587565906 counting only the distinct ones).

The product of its (nonzero) digits is 8064000, while the sum is 55.

The spelling of 28758056061052 in words is "twenty-eight trillion, seven hundred fifty-eight billion, fifty-six million, sixty-one thousand, fifty-two".

Divisors: 1 2 4 23 46 92 312587565881 625175131762 1250350263524 7189514015263 14379028030526 28758056061052