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10030112040 = 23351310163659
BaseRepresentation
bin10010101011101011…
…10101110100101000
3221220000102111002010
421111311311310220
5131020202041130
64335140035520
7503361355104
oct112565656450
927800374063
1010030112040
1142878116a3
121b3b092ba0
13c3b001450
146b2160904
153da85a0b0
hex255d75d28

10030112040 has 128 divisors (see below), whose sum is σ = 32726332800. Its totient is φ = 2444467200.

The previous prime is 10030112011. The next prime is 10030112077. The reversal of 10030112040 is 4021103001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 125731 + ... + 189389.

It is an arithmetic number, because the mean of its divisors is an integer number (255674475).

Almost surely, 210030112040 is an apocalyptic number.

10030112040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10030112040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16363166400).

10030112040 is an abundant number, since it is smaller than the sum of its proper divisors (22696220760).

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

10030112040 is a wasteful number, since it uses less digits than its factorization.

10030112040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63787 (or 63783 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 10030112040 its reverse (4021103001), we get a palindrome (14051215041).

The spelling of 10030112040 in words is "ten billion, thirty million, one hundred twelve thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 13 15 20 24 26 30 39 40 52 60 65 78 101 104 120 130 156 195 202 260 303 312 390 404 505 520 606 780 808 1010 1212 1313 1515 1560 2020 2424 2626 3030 3939 4040 5252 6060 6565 7878 10504 12120 13130 15756 19695 26260 31512 39390 52520 63659 78780 127318 157560 190977 254636 318295 381954 509272 636590 763908 827567 954885 1273180 1527816 1655134 1909770 2482701 2546360 3310268 3819540 4137835 4965402 6429559 6620536 7639080 8275670 9930804 12413505 12859118 16551340 19288677 19861608 24827010 25718236 32147795 33102680 38577354 49654020 51436472 64295590 77154708 83584267 96443385 99308040 128591180 154309416 167168534 192886770 250752801 257182360 334337068 385773540 417921335 501505602 668674136 771547080 835842670 1003011204 1253764005 1671685340 2006022408 2507528010 3343370680 5015056020 10030112040