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2213402445220 = 2258311291181023
BaseRepresentation
bin100000001101011001000…
…100010000010110100100
321211121011211012021222111
4200031121010100112210
5242231022011221340
64412453440010404
7315625114234261
oct40153104202644
97747154167874
102213402445220
11783775a8249a
122b8b80000a04
131309524417b5
14791b493a268
153c897d9baea
hex203591105a4

2213402445220 has 48 divisors (see below), whose sum is σ = 4708317519360. Its totient is φ = 873918487296.

The previous prime is 2213402445181. The next prime is 2213402445259. The reversal of 2213402445220 is 225442043122.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2213402445181) and next prime (2213402445259).

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, 1283629 + ... + 2464651.

It is an arithmetic number, because the mean of its divisors is an integer number (98089948320).

Almost surely, 22213402445220 is an apocalyptic number.

2213402445220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2213402445220 is an abundant number, since it is smaller than the sum of its proper divisors (2494915074140).

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

2213402445220 is a wasteful number, since it uses less digits than its factorization.

2213402445220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1182244 (or 1182242 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 31.

Adding to 2213402445220 its reverse (225442043122), we get a palindrome (2438844488342).

The spelling of 2213402445220 in words is "two trillion, two hundred thirteen billion, four hundred two million, four hundred forty-five thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 83 166 332 415 830 1129 1660 2258 4516 5645 11290 22580 93707 187414 374828 468535 937070 1181023 1874140 2362046 4724092 5905115 11810230 23620460 98024909 196049818 392099636 490124545 980249090 1333374967 1960498180 2666749934 5333499868 6666874835 13333749670 26667499340 110670122261 221340244522 442680489044 553350611305 1106701222610 2213402445220