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2311441112240 = 245137330445747
BaseRepresentation
bin100001101000101100101…
…000000101110010110000
322011222020022020121011222
4201220230220011302300
5300332312411042430
64525510020524212
7325665444164651
oct41505450056260
98158208217158
102311441112240
11811305281047
12313b80b50668
13139c777c4a80
147dc352c9528
15401d4d109e5
hex21a2ca05cb0

2311441112240 has 80 divisors (see below), whose sum is σ = 5866773856608. Its totient is φ = 841763985408.

The previous prime is 2311441112191. The next prime is 2311441112269. The reversal of 2311441112240 is 422111441132.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15146954 + ... + 15298793.

Almost surely, 22311441112240 is an apocalyptic number.

2311441112240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2311441112240 is an abundant number, since it is smaller than the sum of its proper divisors (3555332744368).

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

2311441112240 is a wasteful number, since it uses less digits than its factorization.

2311441112240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30445846 (or 30445840 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

Adding to 2311441112240 its reverse (422111441132), we get a palindrome (2733552553372).

The spelling of 2311441112240 in words is "two trillion, three hundred eleven billion, four hundred forty-one million, one hundred twelve thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 13 16 20 26 40 52 65 73 80 104 130 146 208 260 292 365 520 584 730 949 1040 1168 1460 1898 2920 3796 4745 5840 7592 9490 15184 18980 37960 75920 30445747 60891494 121782988 152228735 243565976 304457470 395794711 487131952 608914940 791589422 1217829880 1583178844 1978973555 2222539531 2435659760 3166357688 3957947110 4445079062 6332715376 7915894220 8890158124 11112697655 15831788440 17780316248 22225395310 28893013903 31663576880 35560632496 44450790620 57786027806 88901581240 115572055612 144465069515 177803162480 231144111224 288930139030 462288222448 577860278060 1155720556120 2311441112240