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2220212000100 = 2235244123167729
BaseRepresentation
bin100000010011101110111…
…100101001010101100100
321212020202101120112011210
4200103232330221111210
5242333443233000400
64415541252231420
7316255631423043
oct40235674512544
97766671515153
102220212000100
1178664a87a8a6
122ba36060b570
13131499157503
147965d08055a
153cb45ae7950
hex204eef29564

2220212000100 has 72 divisors (see below), whose sum is σ = 6423997275360. Its totient is φ = 592039585280.

The previous prime is 2220212000099. The next prime is 2220212000107. The reversal of 2220212000100 is 10002120222.

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

It is not an unprimeable number, because it can be changed into a prime (2220212000107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13153036 + ... + 13320764.

It is an arithmetic number, because the mean of its divisors is an integer number (89222184380).

Almost surely, 22220212000100 is an apocalyptic number.

2220212000100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220212000100 is an abundant number, since it is smaller than the sum of its proper divisors (4203785275260).

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

2220212000100 is a wasteful number, since it uses less digits than its factorization.

2220212000100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211869 (or 211862 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 2220212000100 its reverse (10002120222), we get a palindrome (2230214120322).

The spelling of 2220212000100 in words is "two trillion, two hundred twenty billion, two hundred twelve million, one hundred", and thus it is an aban number.

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 300 44123 88246 132369 167729 176492 220615 264738 335458 441230 503187 529476 661845 670916 838645 882460 1006374 1103075 1323690 1677290 2012748 2206150 2515935 2647380 3309225 3354580 4193225 4412300 5031870 6618450 8386450 10063740 12579675 13236900 16772900 25159350 50318700 7400706667 14801413334 22202120001 29602826668 37003533335 44404240002 74007066670 88808480004 111010600005 148014133340 185017666675 222021200010 370035333350 444042400020 555053000025 740070666700 1110106000050 2220212000100