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2135348072 = 2311132338011
BaseRepresentation
bin111111101000110…
…1101001101101000
312111211000220212122
41333101231031220
513333122114242
6551515530412
7103626105404
oct17721551550
95454026778
102135348072
119a6391680
124b7159a08
13280516190
1416384c104
15c76eaad2
hex7f46d368

2135348072 has 64 divisors (see below), whose sum is σ = 4724516160. Its totient is φ = 891993600.

The previous prime is 2135348071. The next prime is 2135348141. The reversal of 2135348072 is 2708435312.

It is a super-2 number, since 2×21353480722 = 9119422777188234368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2135348071) 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, 262547 + ... + 270557.

It is an arithmetic number, because the mean of its divisors is an integer number (73820565).

Almost surely, 22135348072 is an apocalyptic number.

2135348072 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 2135348072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2362258080).

2135348072 is an abundant number, since it is smaller than the sum of its proper divisors (2589168088).

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

2135348072 is a wasteful number, since it uses less digits than its factorization.

2135348072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8274 (or 8270 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 2135348072 is about 46209.8265740091. The cubic root of 2135348072 is about 1287.7243037990.

The spelling of 2135348072 in words is "two billion, one hundred thirty-five million, three hundred forty-eight thousand, seventy-two".

Divisors: 1 2 4 8 11 13 22 26 44 52 88 104 143 233 286 466 572 932 1144 1864 2563 3029 5126 6058 8011 10252 12116 16022 20504 24232 32044 33319 64088 66638 88121 104143 133276 176242 208286 266552 352484 416572 704968 833144 1145573 1866563 2291146 3733126 4582292 7466252 9164584 14932504 20532193 24265319 41064386 48530638 82128772 97061276 164257544 194122552 266918509 533837018 1067674036 2135348072