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28480426125 = 353431176213
BaseRepresentation
bin11010100001100100…
…001101000010001101
32201111211221112220020
4122201210031002031
5431311442114000
621030030212353
72025525425214
oct324144150215
981454845806
1028480426125
1111095504758
12562a0540b9
1328bb60b668
1415426cc07b
15b1a514ba0
hex6a190d08d

28480426125 has 32 divisors (see below), whose sum is σ = 47501655552. Its totient is φ = 15154232000.

The previous prime is 28480426103. The next prime is 28480426141. The reversal of 28480426125 is 52162408482.

It is not a de Polignac number, because 28480426125 - 26 = 28480426061 is a prime.

It is a super-3 number, since 3×284804261253 (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 73519 + ... + 249731.

It is an arithmetic number, because the mean of its divisors is an integer number (1484426736).

Almost surely, 228480426125 is an apocalyptic number.

28480426125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

28480426125 is a deficient number, since it is larger than the sum of its proper divisors (19021229427).

28480426125 is a wasteful number, since it uses less digits than its factorization.

28480426125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176662 (or 176652 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 42.

The spelling of 28480426125 in words is "twenty-eight billion, four hundred eighty million, four hundred twenty-six thousand, one hundred twenty-five".

Divisors: 1 3 5 15 25 75 125 375 431 1293 2155 6465 10775 32325 53875 161625 176213 528639 881065 2643195 4405325 13215975 22026625 66079875 75947803 227843409 379739015 1139217045 1898695075 5696085225 9493475375 28480426125