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44101221320 = 23513163520307
BaseRepresentation
bin101001000100101000…
…110011101111001000
311012211111020011111102
4221010220303233020
51210304403040240
632132042120532
73120604124162
oct510450635710
9135744204442
1044101221320
1117780a98352
1286694b0148
13420a954640
1421c514d932
151231aa3815
hexa44a33bc8

44101221320 has 64 divisors (see below), whose sum is σ = 107516445120. Its totient is φ = 16183597824.

The previous prime is 44101221317. The next prime is 44101221371. The reversal of 44101221320 is 2312210144.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 44101221292 and 44101221301.

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, 175394 + ... + 344913.

It is an arithmetic number, because the mean of its divisors is an integer number (1679944455).

Almost surely, 244101221320 is an apocalyptic number.

44101221320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44101221320 is an abundant number, since it is smaller than the sum of its proper divisors (63415223800).

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

44101221320 is a wasteful number, since it uses less digits than its factorization.

44101221320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520494 (or 520490 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 44101221320 its reverse (2312210144), we get a palindrome (46413431464).

The spelling of 44101221320 in words is "forty-four billion, one hundred one million, two hundred twenty-one thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 13 20 26 40 52 65 104 130 163 260 326 520 652 815 1304 1630 2119 3260 4238 6520 8476 10595 16952 21190 42380 84760 520307 1040614 2081228 2601535 4162456 5203070 6763991 10406140 13527982 20812280 27055964 33819955 54111928 67639910 84810041 135279820 169620082 270559640 339240164 424050205 678480328 848100410 1102530533 1696200820 2205061066 3392401640 4410122132 5512652665 8820244264 11025305330 22050610660 44101221320