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1338045696 = 28331314891
BaseRepresentation
bin100111111000000…
…1111010100000000
310110020202202122000
41033300033110000
510220014430241
6340434544000
745105125601
oct11760172400
93406682560
101338045696
11627323599
12314138000
13184299120
14c99c5da8
157c707eb6
hex4fc0f500

1338045696 has 144 divisors (see below), whose sum is σ = 4261494720. Its totient is φ = 411678720.

The previous prime is 1338045671. The next prime is 1338045697. The reversal of 1338045696 is 6965408331.

1338045696 is a `hidden beast` number, since 1 + 3 + 3 + 80 + 4 + 569 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1338045697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82411 + ... + 97301.

Almost surely, 21338045696 is an apocalyptic number.

1338045696 is a gapful number since it is divisible by the number (16) 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 1338045696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2130747360).

1338045696 is an abundant number, since it is smaller than the sum of its proper divisors (2923449024).

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

1338045696 is a wasteful number, since it uses less digits than its factorization.

1338045696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14929 (or 14909 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The square root of 1338045696 is about 36579.3069371195. The cubic root of 1338045696 is about 1101.9375482695.

The spelling of 1338045696 in words is "one billion, three hundred thirty-eight million, forty-five thousand, six hundred ninety-six".

Divisors: 1 2 3 4 6 8 9 12 13 16 18 24 26 27 32 36 39 48 52 54 64 72 78 96 104 108 117 128 144 156 192 208 216 234 256 288 312 351 384 416 432 468 576 624 702 768 832 864 936 1152 1248 1404 1664 1728 1872 2304 2496 2808 3328 3456 3744 4992 5616 6912 7488 9984 11232 14891 14976 22464 29782 29952 44673 44928 59564 89346 89856 119128 134019 178692 193583 238256 268038 357384 387166 402057 476512 536076 580749 714768 774332 804114 953024 1072152 1161498 1429536 1548664 1608228 1742247 1906048 2144304 2322996 2859072 3097328 3216456 3484494 3812096 4288608 4645992 5226741 5718144 6194656 6432912 6968988 8577216 9291984 10453482 11436288 12389312 12865824 13937976 17154432 18583968 20906964 24778624 25731648 27875952 34308864 37167936 41813928 49557248 51463296 55751904 74335872 83627856 102926592 111503808 148671744 167255712 223007616 334511424 446015232 669022848 1338045696