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28900417653 = 333728929347
BaseRepresentation
bin11010111010100110…
…010110000001110101
32202121010020022222000
4122322212112001311
5433142001331103
621135432125513
72042115332262
oct327246260165
982533208860
1028900417653
1111290594598
125726836899
13295762c563
1415823b8269
15b42326aa3
hex6ba996075

28900417653 has 16 divisors (see below), whose sum is σ = 43972608960. Its totient is φ = 18746216208.

The previous prime is 28900417621. The next prime is 28900417657. The reversal of 28900417653 is 35671400982.

It is not a de Polignac number, because 28900417653 - 25 = 28900417621 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28900417599 and 28900417608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28900417657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14463675 + ... + 14465672.

It is an arithmetic number, because the mean of its divisors is an integer number (2748288060).

It is a 1-persistent number, because it is pandigital, but 2⋅28900417653 = 57800835306 is not.

Almost surely, 228900417653 is an apocalyptic number.

It is an amenable number.

28900417653 is a deficient number, since it is larger than the sum of its proper divisors (15072191307).

28900417653 is a wasteful number, since it uses less digits than its factorization.

28900417653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28929393 (or 28929387 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 28900417653 in words is "twenty-eight billion, nine hundred million, four hundred seventeen thousand, six hundred fifty-three".

Divisors: 1 3 9 27 37 111 333 999 28929347 86788041 260364123 781092369 1070385839 3211157517 9633472551 28900417653