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28758056060990 = 2512704832263553
BaseRepresentation
bin1101000100111110000011…
…01101110100100000111110
310202211020120101001210000002
412202133001231310200332
512232132444322422430
6141055134002234302
76025462303160534
oct642370155644076
9122736511053002
1028758056060990
11918824aa1a863
123285606955992
131307b47125a29
14715c7c430154
1534d0e2b19845
hex1a27c1b7483e

28758056060990 has 16 divisors (see below), whose sum is σ = 51764564522448. Its totient is φ = 11503208288256.

The previous prime is 28758056060977. The next prime is 28758056061001. The reversal of 28758056060990 is 9906065085782.

It is a Curzon number.

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 7 ways as a sum of consecutive naturals, for example, 11573054 + ... + 13836606.

It is an arithmetic number, because the mean of its divisors is an integer number (3235285282653).

Almost surely, 228758056060990 is an apocalyptic number.

28758056060990 is a deficient number, since it is larger than the sum of its proper divisors (23006508461458).

28758056060990 is a wasteful number, since it uses less digits than its factorization.

28758056060990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3534043.

The product of its (nonzero) digits is 65318400, while the sum is 65.

The spelling of 28758056060990 in words is "twenty-eight trillion, seven hundred fifty-eight billion, fifty-six million, sixty thousand, nine hundred ninety".

Divisors: 1 2 5 10 1270483 2263553 2540966 4527106 6352415 11317765 12704830 22635530 2875805606099 5751611212198 14379028030495 28758056060990