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130128342 = 232341109211
BaseRepresentation
bin1111100000110…
…01100111010110
3100001212012112020
413300121213112
5231303101332
620525034010
73140033631
oct760314726
9301765466
10130128342
11674aa393
12376b5906
1320c62026
14133d4c18
15b65682c
hex7c199d6

130128342 has 64 divisors (see below), whose sum is σ = 282078720. Its totient is φ = 39916800.

The previous prime is 130128337. The next prime is 130128367. The reversal of 130128342 is 243821031.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 616617 + ... + 616827.

It is an arithmetic number, because the mean of its divisors is an integer number (4407480).

Almost surely, 2130128342 is an apocalyptic number.

130128342 is an abundant number, since it is smaller than the sum of its proper divisors (151950378).

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

130128342 is a wasteful number, since it uses less digits than its factorization.

130128342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 130128342 is about 11407.3810315953. The cubic root of 130128342 is about 506.7463533676.

Adding to 130128342 its reverse (243821031), we get a palindrome (373949373).

The spelling of 130128342 in words is "one hundred thirty million, one hundred twenty-eight thousand, three hundred forty-two".

Divisors: 1 2 3 6 23 41 46 69 82 109 123 138 211 218 246 327 422 633 654 943 1266 1886 2507 2829 4469 4853 5014 5658 7521 8651 8938 9706 13407 14559 15042 17302 22999 25953 26814 29118 45998 51906 68997 102787 137994 198973 205574 308361 397946 528977 596919 616722 942959 1057954 1193838 1586931 1885918 2828877 3173862 5657754 21688057 43376114 65064171 130128342