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2102223432120 = 233572502646943
BaseRepresentation
bin11110100101110110010…
…001111110100110111000
321102222012120021020200120
4132211312101332212320
5233420323144311440
64245425331533240
7304611025224660
oct36456621764670
97388176236616
102102223432120
11740603360399
1229b51245a220
131233148bab06
1473a68d2b1a0
1539a3c511dd0
hex1e97647e9b8

2102223432120 has 64 divisors (see below), whose sum is σ = 7207623198720. Its totient is φ = 480508212864.

The previous prime is 2102223432109. The next prime is 2102223432121. The reversal of 2102223432120 is 212343222012.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102223432121) 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, 1251322632 + ... + 1251324311.

It is an arithmetic number, because the mean of its divisors is an integer number (112619112480).

Almost surely, 22102223432120 is an apocalyptic number.

2102223432120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2102223432120 is an abundant number, since it is smaller than the sum of its proper divisors (5105399766600).

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

2102223432120 is a wasteful number, since it uses less digits than its factorization.

2102223432120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2502646964 (or 2502646960 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 2102223432120 its reverse (212343222012), we get a palindrome (2314566654132).

The spelling of 2102223432120 in words is "two trillion, one hundred two billion, two hundred twenty-three million, four hundred thirty-two thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 56 60 70 84 105 120 140 168 210 280 420 840 2502646943 5005293886 7507940829 10010587772 12513234715 15015881658 17518528601 20021175544 25026469430 30031763316 35037057202 37539704145 50052938860 52555585803 60063526632 70074114404 75079408290 87592643005 100105877720 105111171606 140148228808 150158816580 175185286010 210222343212 262777929015 300317633160 350370572020 420444686424 525555858030 700741144040 1051111716060 2102223432120