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11611072944 = 24325310191493
BaseRepresentation
bin10101101000001001…
…01110100110110000
31002222012021121201200
422310010232212300
5142234413313234
65200053331200
7560506330422
oct126404564660
932865247650
1011611072944
114a19169a59
122300636b00
1311306cc283
147c20da812
1547e547d99
hex2b412e9b0

11611072944 has 120 divisors (see below), whose sum is σ = 33162676560. Its totient is φ = 3791064576.

The previous prime is 11611072943. The next prime is 11611073011. The reversal of 11611072944 is 44927011611.

11611072944 is a `hidden beast` number, since 11 + 611 + 0 + 7 + 29 + 4 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 11611072899 and 11611072908.

It is not an unprimeable number, because it can be changed into a prime (11611072943) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7776262 + ... + 7777754.

It is an arithmetic number, because the mean of its divisors is an integer number (276355638).

Almost surely, 211611072944 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 11611072944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16581338280).

11611072944 is an abundant number, since it is smaller than the sum of its proper divisors (21551603616).

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

11611072944 is a wasteful number, since it uses less digits than its factorization.

11611072944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2579 (or 2570 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The spelling of 11611072944 in words is "eleven billion, six hundred eleven million, seventy-two thousand, nine hundred forty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 53 72 106 144 159 212 318 424 477 636 848 954 1019 1272 1493 1908 2038 2544 2986 3057 3816 4076 4479 5972 6114 7632 8152 8958 9171 11944 12228 13437 16304 17916 18342 23888 24456 26874 35832 36684 48912 53748 54007 71664 73368 79129 107496 108014 146736 158258 162021 214992 216028 237387 316516 324042 432056 474774 486063 633032 648084 712161 864112 949548 972126 1266064 1296168 1424322 1521367 1899096 1944252 2592336 2848644 3042734 3798192 3888504 4564101 5697288 6085468 7777008 9128202 11394576 12170936 13692303 18256404 24341872 27384606 36512808 54769212 73025616 80632451 109538424 161264902 219076848 241897353 322529804 483794706 645059608 725692059 967589412 1290119216 1451384118 1935178824 2902768236 3870357648 5805536472 11611072944