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13946751840 = 253574150819
BaseRepresentation
bin11001111110100101…
…01000101101100000
31022222222021101211110
430333102220231200
5212030332024330
610223531143320
71002420302040
oct147722505540
938888241743
1013946751840
115a0763a09a
1228528a4b40
1314135871a8
149643b5720
15569615db0
hex33f4a8b60

13946751840 has 96 divisors (see below), whose sum is σ = 50208318720. Its totient is φ = 3187828224.

The previous prime is 13946751821. The next prime is 13946751857. The reversal of 13946751840 is 4815764931.

13946751840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 13946751840.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 2072050 + ... + 2078769.

It is an arithmetic number, because the mean of its divisors is an integer number (523003320).

Almost surely, 213946751840 is an apocalyptic number.

13946751840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13946751840 is an abundant number, since it is smaller than the sum of its proper divisors (36261566880).

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

13946751840 is a wasteful number, since it uses less digits than its factorization.

13946751840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4150844 (or 4150836 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 48.

The spelling of 13946751840 in words is "thirteen billion, nine hundred forty-six million, seven hundred fifty-one thousand, eight hundred forty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 40 42 48 56 60 70 80 84 96 105 112 120 140 160 168 210 224 240 280 336 420 480 560 672 840 1120 1680 3360 4150819 8301638 12452457 16603276 20754095 24904914 29055733 33206552 41508190 49809828 58111466 62262285 66413104 83016380 87167199 99619656 116222932 124524570 132826208 145278665 166032760 174334398 199239312 232445864 249049140 290557330 332065520 348668796 398478624 435835995 464891728 498098280 581114660 664131040 697337592 871671990 929783456 996196560 1162229320 1394675184 1743343980 1992393120 2324458640 2789350368 3486687960 4648917280 6973375920 13946751840