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10128375329925 = 352267587504677
BaseRepresentation
bin1001001101100011001000…
…1101101011010010000101
31022212021002220001201002110
42103120302031223102011
52311420403041024200
633312524505531233
72063515403552226
oct223306215532205
938767086051073
1010128375329925
113255468911506
121176b444a3b19
1358614256a2c8
1427030492124d
151286e0332b50
hex9363236b485

10128375329925 has 24 divisors (see below), whose sum is σ = 16745676306336. Its totient is φ = 5401769285440.

The previous prime is 10128375329893. The next prime is 10128375329927. The reversal of 10128375329925 is 52992357382101.

It is not a de Polignac number, because 10128375329925 - 25 = 10128375329893 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10128375329927) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19816687 + ... + 20321363.

It is an arithmetic number, because the mean of its divisors is an integer number (697736512764).

Almost surely, 210128375329925 is an apocalyptic number.

10128375329925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10128375329925 is a deficient number, since it is larger than the sum of its proper divisors (6617300976411).

10128375329925 is a wasteful number, since it uses less digits than its factorization.

10128375329925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772277 (or 772272 counting only the distinct ones).

The product of its (nonzero) digits is 8164800, while the sum is 57.

The spelling of 10128375329925 in words is "ten trillion, one hundred twenty-eight billion, three hundred seventy-five million, three hundred twenty-nine thousand, nine hundred twenty-five".

Divisors: 1 3 5 15 25 75 267587 504677 802761 1337935 1514031 2523385 4013805 6689675 7570155 12616925 20069025 37850775 135045004399 405135013197 675225021995 2025675065985 3376125109975 10128375329925