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80890522900902 = 233111310475333191
BaseRepresentation
bin10010011001000111001010…
…111000100001100110100110
3101121102001120121210120221000
4102121013022320201212212
541100302242330312102
6444012332044534130
723016101364643341
oct2231071270414646
9347361517716830
1080890522900902
1123857529403130
1290a5160551346
133619c36073880
1415d919d451458
15954234e4601c
hex4991cae219a6

80890522900902 has 64 divisors (see below), whose sum is σ = 211182717150720. Its totient is φ = 22626719690400.

The previous prime is 80890522900883. The next prime is 80890522900951. The reversal of 80890522900902 is 20900922509808.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5237658874 + ... + 5237674317.

It is an arithmetic number, because the mean of its divisors is an integer number (3299729955480).

Almost surely, 280890522900902 is an apocalyptic number.

80890522900902 is an abundant number, since it is smaller than the sum of its proper divisors (130292194249818).

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

80890522900902 is a wasteful number, since it uses less digits than its factorization.

80890522900902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10475333226 (or 10475333220 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 54.

The spelling of 80890522900902 in words is "eighty trillion, eight hundred ninety billion, five hundred twenty-two million, nine hundred thousand, nine hundred two".

Divisors: 1 2 3 6 9 11 13 18 22 26 27 33 39 54 66 78 99 117 143 198 234 286 297 351 429 594 702 858 1287 2574 3861 7722 10475333191 20950666382 31425999573 62851999146 94277998719 115228665101 136179331483 188555997438 230457330202 272358662966 282833996157 345685995303 408537994449 565667992314 691371990606 817075988898 1037057985909 1225613983347 1497972646313 2074115971818 2451227966694 2995945292626 3111173957727 3676841950041 4493917938939 6222347915454 7353683900082 8987835877878 13481753816817 26963507633634 40445261450451 80890522900902