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28906582992 = 2437101851797
BaseRepresentation
bin11010111010111101…
…110111001111010000
32202121112211120012220
4122322331313033100
5433200041123432
621140212221040
72042221621110
oct327275671720
982545746186
1028906582992
1111294015711
12572890a780
1329589aa8a1
141583141040
15b42b4372c
hex6baf773d0

28906582992 has 80 divisors (see below), whose sum is σ = 86188328832. Its totient is φ = 8177241600.

The previous prime is 28906582907. The next prime is 28906583021. The reversal of 28906582992 is 29928560982.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 391963 + ... + 459834.

Almost surely, 228906582992 is an apocalyptic number.

It is an amenable number.

28906582992 is an abundant number, since it is smaller than the sum of its proper divisors (57281745840).

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

28906582992 is a wasteful number, since it uses less digits than its factorization.

28906582992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851916 (or 851910 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 60.

The spelling of 28906582992 in words is "twenty-eight billion, nine hundred six million, five hundred eighty-two thousand, nine hundred ninety-two".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 101 112 168 202 303 336 404 606 707 808 1212 1414 1616 2121 2424 2828 4242 4848 5656 8484 11312 16968 33936 851797 1703594 2555391 3407188 5110782 5962579 6814376 10221564 11925158 13628752 17887737 20443128 23850316 35775474 40886256 47700632 71550948 86031497 95401264 143101896 172062994 258094491 286203792 344125988 516188982 602220479 688251976 1032377964 1204440958 1376503952 1806661437 2064755928 2408881916 3613322874 4129511856 4817763832 7226645748 9635527664 14453291496 28906582992