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11715942891352 = 2371789797173497
BaseRepresentation
bin1010101001111101010010…
…0111010011111101011000
31112111000220012111212111211
42222133110213103331120
53013423222340010402
640530121352232504
72316306662304550
oct252372447237530
945430805455454
1011715942891352
113807781367877
12139276569b734
1366ca688702cb
142c70a9dc4160
15154b5a2264d7
hexaa7d49d3f58

11715942891352 has 128 divisors (see below), whose sum is σ = 26914952937600. Its totient is φ = 4666770358272.

The previous prime is 11715942891287. The next prime is 11715942891377. The reversal of 11715942891352 is 25319824951711.

It is a happy number.

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, 67441468 + ... + 67614964.

It is an arithmetic number, because the mean of its divisors is an integer number (210273069825).

Almost surely, 211715942891352 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11715942891352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13457476468800).

11715942891352 is an abundant number, since it is smaller than the sum of its proper divisors (15199010046248).

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

11715942891352 is a wasteful number, since it uses less digits than its factorization.

11715942891352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174413 (or 174409 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 58.

The spelling of 11715942891352 in words is "eleven trillion, seven hundred fifteen billion, nine hundred forty-two million, eight hundred ninety-one thousand, three hundred fifty-two".

Divisors: 1 2 4 7 8 14 17 28 34 56 68 89 119 136 178 238 356 476 623 712 797 952 1246 1513 1594 2492 3026 3188 4984 5579 6052 6376 10591 11158 12104 13549 21182 22316 27098 42364 44632 54196 70933 84728 94843 108392 141866 173497 189686 283732 346994 379372 496531 567464 693988 758744 993062 1205861 1214479 1387976 1986124 2411722 2428958 2949449 3972248 4823444 4857916 5898898 8441027 9646888 9715832 11797796 15441233 16882054 20646143 23595592 30882466 33764108 41292286 61764932 67528216 82584572 108088631 123529864 138277109 165169144 216177262 262500961 276554218 432354524 525001922 553108436 864709048 967939763 1050003844 1106216872 1837506727 1935879526 2100007688 2350710853 3675013454 3871759052 4701421706 7350026908 7743518104 9402843412 12306662701 14700053816 16454975971 18805686824 24613325402 32909951942 49226650804 65819903884 86146638907 98453301608 131639807768 172293277814 209213265917 344586555628 418426531834 689173111256 836853063668 1464492861419 1673706127336 2928985722838 5857971445676 11715942891352