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43020120112 = 2419853165901
BaseRepresentation
bin101000000100001100…
…101111000000110000
311010001010221112102221
4220010030233000300
51201101122320422
631432502250424
73052035662464
oct500414570060
9133033845387
1043020120112
1117276810a82
128407426a14
13409798ca98
1421217304a4
1511bbc023c7
hexa0432f030

43020120112 has 40 divisors (see below), whose sum is σ = 87841790960. Its totient is φ = 20353939200.

The previous prime is 43020120103. The next prime is 43020120119. The reversal of 43020120112 is 21102102034.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (43020120119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176362 + ... + 342262.

It is an arithmetic number, because the mean of its divisors is an integer number (2196044774).

Almost surely, 243020120112 is an apocalyptic number.

It is an amenable number.

43020120112 is an abundant number, since it is smaller than the sum of its proper divisors (44821670848).

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

43020120112 is a wasteful number, since it uses less digits than its factorization.

43020120112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166781 (or 166775 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 43020120112 its reverse (21102102034), we get a palindrome (64122222146).

The spelling of 43020120112 in words is "forty-three billion, twenty million, one hundred twenty thousand, one hundred twelve".

Divisors: 1 2 4 8 16 19 38 76 152 304 853 1706 3412 6824 13648 16207 32414 64828 129656 165901 259312 331802 663604 1327208 2654416 3152119 6304238 12608476 25216952 50433904 141513553 283027106 566054212 1132108424 2264216848 2688757507 5377515014 10755030028 21510060056 43020120112