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10019943125 = 5416031909
BaseRepresentation
bin10010101010011110…
…00011001011010101
3221212022021211221122
421111033003023111
5131010101140000
64334134053325
7503206053113
oct112517031325
927768254848
1010019943125
114281aa6635
121b377aa245
13c38b80a3a
146b0a74ab3
153d99ec085
hex2553c32d5

10019943125 has 10 divisors (see below), whose sum is σ = 12520921710. Its totient is φ = 8015954000.

The previous prime is 10019943083. The next prime is 10019943161. The reversal of 10019943125 is 52134991001.

It is a happy number.

10019943125 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 5 ways, for example, as 6697458244 + 3322484881 = 81838^2 + 57641^2 .

It is not a de Polignac number, because 10019943125 - 28 = 10019942869 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 8015330 + ... + 8016579.

It is an arithmetic number, because the mean of its divisors is an integer number (1252092171).

Almost surely, 210019943125 is an apocalyptic number.

It is an amenable number.

10019943125 is a deficient number, since it is larger than the sum of its proper divisors (2500978585).

10019943125 is an frugal number, since it uses more digits than its factorization.

10019943125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16031929 (or 16031914 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 35.

The spelling of 10019943125 in words is "ten billion, nineteen million, nine hundred forty-three thousand, one hundred twenty-five".

Divisors: 1 5 25 125 625 16031909 80159545 400797725 2003988625 10019943125