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125910041478 = 23133762217013
BaseRepresentation
bin111010101000011010…
…0101100001110000110
3110000222212221211021120
41311100310230032012
54030330432311403
6133501533054410
712045111460014
oct1652064541606
9400885854246
10125910041478
1149441a32821
122049b027406
13bb47747030
1461462198b4
15341dc6de53
hex1d50d2c386

125910041478 has 64 divisors (see below), whose sum is σ = 278604833472. Its totient is φ = 37683048960.

The previous prime is 125910041473. The next prime is 125910041503. The reversal of 125910041478 is 874140019521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125910041473) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 17950300 + ... + 17957312.

It is an arithmetic number, because the mean of its divisors is an integer number (4353200523).

Almost surely, 2125910041478 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125910041478, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139302416736).

125910041478 is an abundant number, since it is smaller than the sum of its proper divisors (152694791994).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125910041478 is a wasteful number, since it uses less digits than its factorization.

125910041478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13289.

The product of its (nonzero) digits is 80640, while the sum is 42.

The spelling of 125910041478 in words is "one hundred twenty-five billion, nine hundred ten million, forty-one thousand, four hundred seventy-eight".

Divisors: 1 2 3 6 13 26 37 39 74 78 111 222 481 962 1443 2886 6221 7013 12442 14026 18663 21039 37326 42078 80873 91169 161746 182338 230177 242619 259481 273507 460354 485238 518962 547014 690531 778443 1381062 1556886 2992301 3373253 5984602 6746506 8976903 10119759 17953806 20239518 43627873 87255746 130883619 261767238 567162349 1134324698 1614231301 1701487047 3228462602 3402974094 4842693903 9685387806 20985006913 41970013826 62955020739 125910041478