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2137117312 = 27112365993
BaseRepresentation
bin111111101100001…
…1101001010000000
312111221100210211001
41333120131022000
513334100223222
6552021501344
7103650124501
oct17730351200
95457323731
102137117312
119a738a960
124b7871854
132809b5575
14163b8cba8
15c7949e27
hex7f61d280

2137117312 has 64 divisors (see below), whose sum is σ = 4846599360. Its totient is φ = 929167360.

The previous prime is 2137117309. The next prime is 2137117331.

2137117312 is nontrivially palindromic in base 10.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 613 + ... + 65380.

It is an arithmetic number, because the mean of its divisors is an integer number (75728115).

Almost surely, 22137117312 is an apocalyptic number.

2137117312 is a gapful number since it is divisible by the number (22) 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 2137117312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2423299680).

2137117312 is an abundant number, since it is smaller than the sum of its proper divisors (2709482048).

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

2137117312 is a wasteful number, since it uses less digits than its factorization.

2137117312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66041 (or 66029 counting only the distinct ones).

The product of its digits is 1764, while the sum is 28.

The square root of 2137117312 is about 46228.9661575943. The cubic root of 2137117312 is about 1288.0798530794.

It can be divided in two parts, 21371 and 17312, that added together give a palindrome (38683).

The spelling of 2137117312 in words is "two billion, one hundred thirty-seven million, one hundred seventeen thousand, three hundred twelve".

Divisors: 1 2 4 8 11 16 22 23 32 44 46 64 88 92 128 176 184 253 352 368 506 704 736 1012 1408 1472 2024 2944 4048 8096 16192 32384 65993 131986 263972 527944 725923 1055888 1451846 1517839 2111776 2903692 3035678 4223552 5807384 6071356 8447104 11614768 12142712 16696229 23229536 24285424 33392458 46459072 48570848 66784916 92918144 97141696 133569832 194283392 267139664 534279328 1068558656 2137117312