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2080481920 = 27511319533
BaseRepresentation
bin111110000000001…
…1010001010000000
312100222210102122221
41330000122022000
513230100410140
6542235540424
7102361542646
oct17400321200
95328712587
102080481920
11978417950
124a08ba714
13272045bba
1415a449196
15c29ae14a
hex7c01a280

2080481920 has 128 divisors (see below), whose sum is σ = 5601415680. Its totient is φ = 732057600.

The previous prime is 2080481873. The next prime is 2080481929. The reversal of 2080481920 is 291840802.

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (2080481929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213474 + ... + 223006.

It is an arithmetic number, because the mean of its divisors is an integer number (43761060).

Almost surely, 22080481920 is an apocalyptic number.

2080481920 is a gapful number since it is divisible by the number (20) 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 2080481920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2800707840).

2080481920 is an abundant number, since it is smaller than the sum of its proper divisors (3520933760).

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

2080481920 is a wasteful number, since it uses less digits than its factorization.

2080481920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9594 (or 9582 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 2080481920 is about 45612.3000954786. The cubic root of 2080481920 is about 1276.5994373025.

The spelling of 2080481920 in words is "two billion, eighty million, four hundred eighty-one thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 11 16 20 22 31 32 40 44 55 62 64 80 88 110 124 128 155 160 176 220 248 310 320 341 352 440 496 620 640 682 704 880 992 1240 1364 1408 1705 1760 1984 2480 2728 3410 3520 3968 4960 5456 6820 7040 9533 9920 10912 13640 19066 19840 21824 27280 38132 43648 47665 54560 76264 95330 104863 109120 152528 190660 209726 218240 295523 305056 381320 419452 524315 591046 610112 762640 838904 1048630 1182092 1220224 1477615 1525280 1677808 2097260 2364184 2955230 3050560 3250753 3355616 4194520 4728368 5910460 6101120 6501506 6711232 8389040 9456736 11820920 13003012 13422464 16253765 16778080 18913472 23641840 26006024 32507530 33556160 37826944 47283680 52012048 65015060 67112320 94567360 104024096 130030120 189134720 208048192 260060240 416096384 520120480 1040240960 2080481920