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108938402425 = 5233353130649
BaseRepresentation
bin110010101110100111…
…1000001101001111001
3101102012002211020021101
41211131033001221321
53241101212334200
6122013504011401
710604411066536
oct1453517015171
9342162736241
10108938402425
1142222985146
1219143300b61
13a3715a3868
1453b61ddd8d
152c78cea26a
hex195d3c1a79

108938402425 has 12 divisors (see below), whose sum is σ = 135088703100. Its totient is φ = 87147441920.

The previous prime is 108938402407. The next prime is 108938402453. The reversal of 108938402425 is 524204839801.

It can be written as a sum of positive squares in 6 ways, for example, as 3181411216 + 105756991209 = 56404^2 + 325203^2 .

It is not a de Polignac number, because 108938402425 - 211 = 108938400377 is a prime.

It is a super-3 number, since 3×1089384024253 (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 768501 + ... + 899149.

It is an arithmetic number, because the mean of its divisors is an integer number (11257391925).

Almost surely, 2108938402425 is an apocalyptic number.

It is an amenable number.

108938402425 is a deficient number, since it is larger than the sum of its proper divisors (26150300675).

108938402425 is a wasteful number, since it uses less digits than its factorization.

108938402425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164012 (or 164007 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 46.

The spelling of 108938402425 in words is "one hundred eight billion, nine hundred thirty-eight million, four hundred two thousand, four hundred twenty-five".

Divisors: 1 5 25 33353 130649 166765 653245 833825 3266225 4357536097 21787680485 108938402425