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13146612240 = 2435194496421
BaseRepresentation
bin11000011111001100…
…10110001000010000
31020221012200002122110
430033212112020100
5203411013042430
610012305305320
7643533234366
oct141746261020
936835602573
1013146612240
115636a133a3
12266a935240
1313168858c8
148ca011636
1551e2627b0
hex30f996210

13146612240 has 160 divisors (see below), whose sum is σ = 43001712000. Its totient is φ = 3313336320.

The previous prime is 13146612233. The next prime is 13146612313. The reversal of 13146612240 is 4221664131.

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

It is a junction number, because it is equal to n+sod(n) for n = 13146612198 and 13146612207.

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, 2044230 + ... + 2050650.

It is an arithmetic number, because the mean of its divisors is an integer number (268760700).

Almost surely, 213146612240 is an apocalyptic number.

13146612240 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 13146612240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21500856000).

13146612240 is an abundant number, since it is smaller than the sum of its proper divisors (29855099760).

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

13146612240 is a wasteful number, since it uses less digits than its factorization.

13146612240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6905 (or 6899 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The spelling of 13146612240 in words is "thirteen billion, one hundred forty-six million, six hundred twelve thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 19 20 24 30 38 40 48 57 60 76 80 95 114 120 152 190 228 240 285 304 380 449 456 570 760 898 912 1140 1347 1520 1796 2245 2280 2694 3592 4490 4560 5388 6421 6735 7184 8531 8980 10776 12842 13470 17062 17960 19263 21552 25593 25684 26940 32105 34124 35920 38526 42655 51186 51368 53880 64210 68248 77052 85310 96315 102372 102736 107760 121999 127965 128420 136496 154104 170620 192630 204744 243998 255930 256840 308208 341240 365997 385260 409488 487996 511860 513680 609995 682480 731994 770520 975992 1023720 1219990 1463988 1541040 1829985 1951984 2047440 2439980 2883029 2927976 3659970 4879960 5766058 5855952 7319940 8649087 9759920 11532116 14415145 14639880 17298174 23064232 28830290 29279760 34596348 43245435 46128464 54777551 57660580 69192696 86490870 109555102 115321160 138385392 164332653 172981740 219110204 230642320 273887755 328665306 345963480 438220408 547775510 657330612 691926960 821663265 876440816 1095551020 1314661224 1643326530 2191102040 2629322448 3286653060 4382204080 6573306120 13146612240