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131425302360 = 233511293339811
BaseRepresentation
bin111101001100110001…
…1101111011101011000
3110120020020220002220010
41322121203233131120
54123124334133420
6140213112201520
712331561431552
oct1723143573530
9416206802803
10131425302360
115081217a970
122157a0992a0
13c516272001
14650a8c64d2
1536430554e0
hex1e998ef758

131425302360 has 128 divisors (see below), whose sum is σ = 431588424960. Its totient is φ = 31751846400.

The previous prime is 131425302347. The next prime is 131425302377. The reversal of 131425302360 is 63203524131.

It is a super-2 number, since 2×1314253023602 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 216855 + ... + 556665.

It is an arithmetic number, because the mean of its divisors is an integer number (3371784570).

Almost surely, 2131425302360 is an apocalyptic number.

131425302360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131425302360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215794212480).

131425302360 is an abundant number, since it is smaller than the sum of its proper divisors (300163122600).

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

131425302360 is a wasteful number, since it uses less digits than its factorization.

131425302360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340129 (or 340125 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 131425302360 its reverse (63203524131), we get a palindrome (194628826491).

The spelling of 131425302360 in words is "one hundred thirty-one billion, four hundred twenty-five million, three hundred two thousand, three hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 11 12 15 20 22 24 30 33 40 44 55 60 66 88 110 120 132 165 220 264 293 330 440 586 660 879 1172 1320 1465 1758 2344 2930 3223 3516 4395 5860 6446 7032 8790 9669 11720 12892 16115 17580 19338 25784 32230 35160 38676 48345 64460 77352 96690 128920 193380 339811 386760 679622 1019433 1359244 1699055 2038866 2718488 3398110 3737921 4077732 5097165 6796220 7475842 8155464 10194330 11213763 13592440 14951684 18689605 20388660 22427526 29903368 37379210 40777320 44855052 56068815 74758420 89710104 99564623 112137630 149516840 199129246 224275260 298693869 398258492 448550520 497823115 597387738 796516984 995646230 1095210853 1194775476 1493469345 1991292460 2190421706 2389550952 2986938690 3285632559 3982584920 4380843412 5476054265 5973877380 6571265118 8761686824 10952108530 11947754760 13142530236 16428162795 21904217060 26285060472 32856325590 43808434120 65712651180 131425302360