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125941506830 = 2518169580943
BaseRepresentation
bin111010101001010110…
…0101110001100001110
3110001002002011102121222
41311102230232030032
54030412011204310
6133505015323342
712045643100516
oct1652254561416
9401062142558
10125941506830
1149458774147
12204a9680552
13bb51112c99
14614a48a846
1534218d7055
hex1d52b2e30e

125941506830 has 16 divisors (see below), whose sum is σ = 227947172544. Its totient is φ = 50098278240.

The previous prime is 125941506797. The next prime is 125941506851. The reversal of 125941506830 is 38605149521.

It is a happy number.

It is a super-2 number, since 2×1259415068302 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34788662 + ... + 34792281.

It is an arithmetic number, because the mean of its divisors is an integer number (14246698284).

Almost surely, 2125941506830 is an apocalyptic number.

125941506830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125941506830 is a deficient number, since it is larger than the sum of its proper divisors (102005665714).

125941506830 is a wasteful number, since it uses less digits than its factorization.

125941506830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69581131.

The product of its (nonzero) digits is 259200, while the sum is 44.

The spelling of 125941506830 in words is "one hundred twenty-five billion, nine hundred forty-one million, five hundred six thousand, eight hundred thirty".

Divisors: 1 2 5 10 181 362 905 1810 69580943 139161886 347904715 695809430 12594150683 25188301366 62970753415 125941506830