Search a number
-
+
164738454160 = 24575319328759
BaseRepresentation
bin1001100101101100101…
…1010101001010010000
3120202012220110120010011
42121123023111022100
510144341021013120
6203402500444304
714621241520240
oct2313313251220
9522186416104
10164738454160
1163957620985
1227b166a9694
13126c4b72757
147d8ad71b20
15444297dc5a
hex265b2d5290

164738454160 has 160 divisors (see below), whose sum is σ = 448319162880. Its totient is φ = 55127015424.

The previous prime is 164738454149. The next prime is 164738454187. The reversal of 164738454160 is 61454837461.

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 31 ways as a sum of consecutive naturals, for example, 5713861 + ... + 5742619.

It is an arithmetic number, because the mean of its divisors is an integer number (2801994768).

Almost surely, 2164738454160 is an apocalyptic number.

164738454160 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 164738454160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224159581440).

164738454160 is an abundant number, since it is smaller than the sum of its proper divisors (283580708720).

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

164738454160 is a wasteful number, since it uses less digits than its factorization.

164738454160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29025 (or 29019 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 49.

The spelling of 164738454160 in words is "one hundred sixty-four billion, seven hundred thirty-eight million, four hundred fifty-four thousand, one hundred sixty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 53 56 70 80 106 112 140 193 212 265 280 371 386 424 530 560 742 772 848 965 1060 1351 1484 1544 1855 1930 2120 2702 2968 3088 3710 3860 4240 5404 5936 6755 7420 7720 10229 10808 13510 14840 15440 20458 21616 27020 28759 29680 40916 51145 54040 57518 71603 81832 102290 108080 115036 143206 143795 163664 201313 204580 230072 286412 287590 358015 402626 409160 460144 572824 575180 716030 805252 818320 1006565 1145648 1150360 1432060 1524227 1610504 2013130 2300720 2864120 3048454 3221008 4026260 5550487 5728240 6096908 7621135 8052520 10669589 11100974 12193816 15242270 16105040 21339178 22201948 24387632 27752435 30484540 38853409 42678356 44403896 53347945 55504870 60969080 77706818 85356712 88807792 106695890 111009740 121938160 155413636 170713424 194267045 213391780 222019480 294175811 310827272 388534090 426783560 444038960 588351622 621654544 777068180 853567120 1176703244 1470879055 1554136360 2059230677 2353406488 2941758110 3108272720 4118461354 4706812976 5883516220 8236922708 10296153385 11767032440 16473845416 20592306770 23534064880 32947690832 41184613540 82369227080 164738454160