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3100200022020 = 22351031511331999
BaseRepresentation
bin101101000111010010010…
…100100011000000000100
3101222101011021021210022210
4231013102110203000010
5401243202201201040
610332113501423420
7436660563251133
oct55072224430004
911871137253283
103100200022020
11a958730aa332
12420a0a86ab70
1319646990396a
14aa09c74391a
155599b2de480
hex2d1d2523004

3100200022020 has 96 divisors (see below), whose sum is σ = 8770664448000. Its totient is φ = 818149311360.

The previous prime is 3100200022001. The next prime is 3100200022021. The reversal of 3100200022020 is 202200020013.

It is a super-2 number, since 2×31002000220202 (a number of 26 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 3100200021987 and 3100200022005.

It is not an unprimeable number, because it can be changed into a prime (3100200022021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9171981 + ... + 9503979.

It is an arithmetic number, because the mean of its divisors is an integer number (91361088000).

Almost surely, 23100200022020 is an apocalyptic number.

3100200022020 is a gapful number since it is divisible by the number (30) 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 3100200022020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4385332224000).

3100200022020 is an abundant number, since it is smaller than the sum of its proper divisors (5670464425980).

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

3100200022020 is a wasteful number, since it uses less digits than its factorization.

3100200022020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333625 (or 333623 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 3100200022020 its reverse (202200020013), we get a palindrome (3302400042033).

The spelling of 3100200022020 in words is "three trillion, one hundred billion, two hundred million, twenty-two thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 103 206 309 412 515 618 1030 1236 1511 1545 2060 3022 3090 4533 6044 6180 7555 9066 15110 18132 22665 30220 45330 90660 155633 311266 331999 466899 622532 663998 778165 933798 995997 1327996 1556330 1659995 1867596 1991994 2334495 3112660 3319990 3983988 4668990 4979985 6639980 9337980 9959970 19919940 34195897 68391794 102587691 136783588 170979485 205175382 341958970 410350764 501650489 512938455 683917940 1003300978 1025876910 1504951467 2006601956 2051753820 2508252445 3009902934 5016504890 6019805868 7524757335 10033009780 15049514670 30099029340 51670000367 103340000734 155010001101 206680001468 258350001835 310020002202 516700003670 620040004404 775050005505 1033400007340 1550100011010 3100200022020