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2116230240 = 25354408813
BaseRepresentation
bin111111000100011…
…0001110001100000
312110111001122010210
41332020301301200
513313223331430
6545554054120
7103304442315
oct17610616140
95414048123
102116230240
11996614113
124b087a340
13279581457
141610b2d0c
15c5bc12b0
hex7e231c60

2116230240 has 48 divisors (see below), whose sum is σ = 6666126768. Its totient is φ = 564327936.

The previous prime is 2116230229. The next prime is 2116230287. The reversal of 2116230240 is 420326112.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

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, 2203927 + ... + 2204886.

It is an arithmetic number, because the mean of its divisors is an integer number (138877641).

Almost surely, 22116230240 is an apocalyptic number.

2116230240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2116230240 is an abundant number, since it is smaller than the sum of its proper divisors (4549896528).

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

2116230240 is a wasteful number, since it uses less digits than its factorization.

2116230240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4408831 (or 4408823 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 2116230240 is about 46002.5025406227. The cubic root of 2116230240 is about 1283.8697667817.

Adding to 2116230240 its reverse (420326112), we get a palindrome (2536556352).

The spelling of 2116230240 in words is "two billion, one hundred sixteen million, two hundred thirty thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 240 480 4408813 8817626 13226439 17635252 22044065 26452878 35270504 44088130 52905756 66132195 70541008 88176260 105811512 132264390 141082016 176352520 211623024 264528780 352705040 423246048 529057560 705410080 1058115120 2116230240