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10200210120 = 2334517185189
BaseRepresentation
bin10010111111111101…
…01101101011001000
3222022212111100210000
421133332231223020
5131342223210440
64404053523000
7510525232632
oct113776555310
928285440700
1010200210120
114364830921
121b88043460
13c673192b9
146ca99ba52
153ea759730
hex25ffadac8

10200210120 has 160 divisors (see below), whose sum is σ = 36300943800. Its totient is φ = 2560038912.

The previous prime is 10200210113. The next prime is 10200210121. The reversal of 10200210120 is 2101200201.

It can be written as a sum of positive squares in 4 ways, for example, as 10186057476 + 14152644 = 100926^2 + 3762^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (10200210121) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 37515 + ... + 147674.

Almost surely, 210200210120 is an apocalyptic number.

10200210120 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 10200210120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18150471900).

10200210120 is an abundant number, since it is smaller than the sum of its proper divisors (26100733680).

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

10200210120 is a wasteful number, since it uses less digits than its factorization.

10200210120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185229 (or 185216 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 10200210120 its reverse (2101200201), we get a palindrome (12301410321).

The spelling of 10200210120 in words is "ten billion, two hundred million, two hundred ten thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 17 18 20 24 27 30 34 36 40 45 51 54 60 68 72 81 85 90 102 108 120 135 136 153 162 170 180 204 216 255 270 306 324 340 360 405 408 459 510 540 612 648 680 765 810 918 1020 1080 1224 1377 1530 1620 1836 2040 2295 2754 3060 3240 3672 4590 5508 6120 6885 9180 11016 13770 18360 27540 55080 185189 370378 555567 740756 925945 1111134 1481512 1666701 1851890 2222268 2777835 3148213 3333402 3703780 4444536 5000103 5555670 6296426 6666804 7407560 8333505 9444639 10000206 11111340 12592852 13333608 15000309 15741065 16667010 18889278 20000412 22222680 25000515 25185704 28333917 30000618 31482130 33334020 37778556 40000824 47223195 50001030 56667834 60001236 62964260 66668040 75001545 75557112 85001751 94446390 100002060 113335668 120002472 125928520 141669585 150003090 170003502 188892780 200004120 226671336 255005253 283339170 300006180 340007004 377785560 425008755 510010506 566678340 600012360 680014008 850017510 1020021012 1133356680 1275026265 1700035020 2040042024 2550052530 3400070040 5100105060 10200210120