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1293295190 = 251122234793
BaseRepresentation
bin100110100010110…
…0001111001010110
310100010120012110212
41031011201321112
510122040421230
6332155445422
744022553625
oct11505417126
93303505425
101293295190
11604038900
12301156872
13177c2b235
14c3a976bc
1578818895
hex4d161e56

1293295190 has 48 divisors (see below), whose sum is σ = 2570811264. Its totient is φ = 468082560.

The previous prime is 1293295177. The next prime is 1293295217. The reversal of 1293295190 is 915923921.

It is a super-2 number, since 2×12932951902 = 3345224896954272200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 267434 + ... + 272226.

It is an arithmetic number, because the mean of its divisors is an integer number (53558568).

Almost surely, 21293295190 is an apocalyptic number.

1293295190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1293295190 is a deficient number, since it is larger than the sum of its proper divisors (1277516074).

1293295190 is a wasteful number, since it uses less digits than its factorization.

1293295190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5045 (or 5034 counting only the distinct ones).

The product of its (nonzero) digits is 43740, while the sum is 41.

The square root of 1293295190 is about 35962.4135730626. The cubic root of 1293295190 is about 1089.5133450246.

The spelling of 1293295190 in words is "one billion, two hundred ninety-three million, two hundred ninety-five thousand, one hundred ninety".

Divisors: 1 2 5 10 11 22 55 110 121 223 242 446 605 1115 1210 2230 2453 4793 4906 9586 12265 23965 24530 26983 47930 52723 53966 105446 134915 263615 269830 527230 579953 1068839 1159906 2137678 2899765 5344195 5799530 10688390 11757229 23514458 58786145 117572290 129329519 258659038 646647595 1293295190