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89128922890 = 25725911327283
BaseRepresentation
bin101001100000001111…
…1110110111100001010
322112001112210101222011
41103000133312330022
52430014001013030
6104540102050134
76303461226100
oct1230037667412
9275045711864
1089128922890
1134887a53a57
121533511994a
138535514537
14445734dc70
1524b9b64b2a
hex14c07f6f0a

89128922890 has 96 divisors (see below), whose sum is σ = 191474746560. Its totient is φ = 29773610496.

The previous prime is 89128922887. The next prime is 89128922893. The reversal of 89128922890 is 9822982198.

It is an interprime number because it is at equal distance from previous prime (89128922887) and next prime (89128922893).

It is not an unprimeable number, because it can be changed into a prime (89128922893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3253189 + ... + 3280471.

It is an arithmetic number, because the mean of its divisors is an integer number (1994528610).

Almost surely, 289128922890 is an apocalyptic number.

89128922890 is an abundant number, since it is smaller than the sum of its proper divisors (102345823670).

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

89128922890 is a wasteful number, since it uses less digits than its factorization.

89128922890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27476 (or 27469 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 58.

The spelling of 89128922890 in words is "eighty-nine billion, one hundred twenty-eight million, nine hundred twenty-two thousand, eight hundred ninety".

Divisors: 1 2 5 7 10 14 35 49 59 70 98 113 118 226 245 295 413 490 565 590 791 826 1130 1582 2065 2891 3955 4130 5537 5782 6667 7910 11074 13334 14455 27283 27685 28910 33335 46669 54566 55370 66670 93338 136415 190981 233345 272830 326683 381962 466690 653366 954905 1336867 1609697 1633415 1909810 2673734 3082979 3219394 3266830 6165958 6684335 8048485 11267879 13368670 15414895 16096970 21580853 22535758 30829790 43161706 56339395 78875153 107904265 112678790 151065971 157750306 181895761 215808530 302131942 363791522 394375765 755329855 788751530 909478805 1273270327 1510659710 1818957610 2546540654 6366351635 8912892289 12732703270 17825784578 44564461445 89128922890