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131502010530 = 235115313754881
BaseRepresentation
bin111101001111000100…
…0010111000010100010
3110120102121020021201110
41322132020113002202
54123304003314110
6140224452244150
712333512434542
oct1723610270242
9416377207643
10131502010530
1150851502950
122159b910656
13c52911bc67
146516b73322
153649b58a20
hex1e9e2170a2

131502010530 has 128 divisors (see below), whose sum is σ = 353359293696. Its totient is φ = 31048908800.

The previous prime is 131502010529. The next prime is 131502010589. The reversal of 131502010530 is 35010205131.

It is a junction number, because it is equal to n+sod(n) for n = 131502010497 and 131502010506.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 2368690 + ... + 2423570.

It is an arithmetic number, because the mean of its divisors is an integer number (2760619482).

Almost surely, 2131502010530 is an apocalyptic number.

131502010530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 131502010530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176679646848).

131502010530 is an abundant number, since it is smaller than the sum of its proper divisors (221857283166).

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

131502010530 is a wasteful number, since it uses less digits than its factorization.

131502010530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55092.

The product of its (nonzero) digits is 450, while the sum is 21.

Adding to 131502010530 its reverse (35010205131), we get a palindrome (166512215661).

The spelling of 131502010530 in words is "one hundred thirty-one billion, five hundred two million, ten thousand, five hundred thirty".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 53 55 66 106 110 137 159 165 265 274 318 330 411 530 583 685 795 822 1166 1370 1507 1590 1749 2055 2915 3014 3498 4110 4521 5830 7261 7535 8745 9042 14522 15070 17490 21783 22605 36305 43566 45210 54881 72610 79871 108915 109762 159742 164643 217830 239613 274405 329286 399355 479226 548810 603691 798710 823215 1198065 1207382 1646430 1811073 2396130 2908693 3018455 3622146 5817386 6036910 7518697 8726079 9055365 14543465 15037394 17452158 18110730 22556091 29086930 31995623 37593485 43630395 45112182 63991246 75186970 82705667 87260790 95986869 112780455 159978115 165411334 191973738 225560910 248117001 319956230 398490941 413528335 479934345 496234002 796981882 827056670 959868690 1195472823 1240585005 1992454705 2390945646 2481170010 3984909410 4383400351 5977364115 8766800702 11954728230 13150201053 21917001755 26300402106 43834003510 65751005265 131502010530