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28758056060508 = 2233976036535697
BaseRepresentation
bin1101000100111110000011…
…01101110100011001011100
310202211020120101001202100020
412202133001231310121130
512232132444322414013
6141055134002232140
76025462303156245
oct642370155643134
9122736511052306
1028758056060508
11918824aa1a465
123285606955650
131307b47125748
14715c7c42dccc
1534d0e2b19623
hex1a27c1b7465c

28758056060508 has 24 divisors (see below), whose sum is σ = 67271153818512. Its totient is φ = 9561872542464.

The previous prime is 28758056060497. The next prime is 28758056060509. The reversal of 28758056060508 is 80506065085782.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28758056060509) by changing a digit.

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, 3018263085 + ... + 3018272612.

It is an arithmetic number, because the mean of its divisors is an integer number (2802964742438).

Almost surely, 228758056060508 is an apocalyptic number.

It is an amenable number.

28758056060508 is an abundant number, since it is smaller than the sum of its proper divisors (38513097758004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28758056060508 is a wasteful number, since it uses less digits than its factorization.

28758056060508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6036536101 (or 6036536099 counting only the distinct ones).

The product of its (nonzero) digits is 32256000, while the sum is 60.

The spelling of 28758056060508 in words is "twenty-eight trillion, seven hundred fifty-eight billion, fifty-six million, sixty thousand, five hundred eight".

Divisors: 1 2 3 4 6 12 397 794 1191 1588 2382 4764 6036535697 12073071394 18109607091 24146142788 36219214182 72438428364 2396504671709 4793009343418 7189514015127 9586018686836 14379028030254 28758056060508