Search a number
-
+
131149892697888 = 25317101795657959
BaseRepresentation
bin11101110100011110110110…
…110001000011111100100000
3122012100210210111222201022010
4131310132312301003330200
5114142224440012313023
61142533232353112520
736424160413314561
oct3564366661037440
9565323714881263
10131149892697888
11388743a23a2639
1212861889858740
1358244c6b00aac
14245598da24168
15102679a296093
hex7747b6c43f20

131149892697888 has 96 divisors (see below), whose sum is σ = 368128659669120. Its totient is φ = 40737687449600.

The previous prime is 131149892697743. The next prime is 131149892697913. The reversal of 131149892697888 is 888796298941131.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×1311498926978882 (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 131149892697888.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 397664148 + ... + 397993811.

It is an arithmetic number, because the mean of its divisors is an integer number (3834673538220).

Almost surely, 2131149892697888 is an apocalyptic number.

It is an amenable number.

131149892697888 is an abundant number, since it is smaller than the sum of its proper divisors (236978766971232).

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

131149892697888 is a wasteful number, since it uses less digits than its factorization.

131149892697888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795658090 (or 795658082 counting only the distinct ones).

The product of its digits is 3009871872, while the sum is 84.

The spelling of 131149892697888 in words is "one hundred thirty-one trillion, one hundred forty-nine billion, eight hundred ninety-two million, six hundred ninety-seven thousand, eight hundred eighty-eight".

Divisors: 1 2 3 4 6 8 12 16 17 24 32 34 48 51 68 96 101 102 136 202 204 272 303 404 408 544 606 808 816 1212 1616 1632 1717 2424 3232 3434 4848 5151 6868 9696 10302 13736 20604 27472 41208 54944 82416 164832 795657959 1591315918 2386973877 3182631836 4773947754 6365263672 9547895508 12730527344 13526185303 19095791016 25461054688 27052370606 38191582032 40578555909 54104741212 76383164064 80361453859 81157111818 108209482424 160722907718 162314223636 216418964848 241084361577 321445815436 324628447272 432837929696 482168723154 642891630872 649256894544 964337446308 1285783261744 1298513789088 1366144715603 1928674892616 2571566523488 2732289431206 3857349785232 4098434146809 5464578862412 7714699570464 8196868293618 10929157724824 16393736587236 21858315449648 32787473174472 43716630899296 65574946348944 131149892697888