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130217108 = 22721973479
BaseRepresentation
bin1111100001011…
…11010010010100
3100002000201021212
413300233102110
5231313421413
620531000552
73140553500
oct760572224
9302021255
10130217108
116756004a
1237739158
1320c93558
1413419300
15b672ca8
hex7c2f494

130217108 has 72 divisors (see below), whose sum is σ = 283449600. Its totient is φ = 52036992.

The previous prime is 130217069. The next prime is 130217117. The reversal of 130217108 is 801712031.

It is a happy number.

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, 271613 + ... + 272091.

It is an arithmetic number, because the mean of its divisors is an integer number (3936800).

Almost surely, 2130217108 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130217108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141724800).

130217108 is an abundant number, since it is smaller than the sum of its proper divisors (153232492).

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

130217108 is a wasteful number, since it uses less digits than its factorization.

130217108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589 (or 580 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 130217108 is about 11411.2710948430. The cubic root of 130217108 is about 506.8615514917.

Adding to 130217108 its reverse (801712031), we get a palindrome (931929139).

The spelling of 130217108 in words is "one hundred thirty million, two hundred seventeen thousand, one hundred eight".

Divisors: 1 2 4 7 14 19 28 38 49 73 76 98 133 146 196 266 292 479 511 532 931 958 1022 1387 1862 1916 2044 2774 3353 3577 3724 5548 6706 7154 9101 9709 13412 14308 18202 19418 23471 34967 36404 38836 46942 63707 67963 69934 93884 127414 135926 139868 244769 254828 271852 445949 489538 664373 891898 979076 1328746 1713383 1783796 2657492 3426766 4650611 6853532 9301222 18602444 32554277 65108554 130217108