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1220113213300 = 225221315725543
BaseRepresentation
bin10001110000010100011…
…010100010011101110100
311022122022210021012200101
4101300110122202131310
5124442242440311200
62332302352323444
7154102354123612
oct21602432423564
94278283235611
101220113213300
114304a1111a23
12178571543584
138b096581457
14430a78806b2
1521b1086b26a
hex11c146a2774

1220113213300 has 36 divisors (see below), whose sum is σ = 2648888578336. Its totient is φ = 487816178400.

The previous prime is 1220113213283. The next prime is 1220113213303. The reversal of 1220113213300 is 33123110221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220113213303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2649672 + ... + 3075871.

Almost surely, 21220113213300 is an apocalyptic number.

1220113213300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1220113213300 is an abundant number, since it is smaller than the sum of its proper divisors (1428775365036).

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

1220113213300 is a wasteful number, since it uses less digits than its factorization.

1220113213300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5727688 (or 5727681 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1220113213300 its reverse (33123110221), we get a palindrome (1253236323521).

The spelling of 1220113213300 in words is "one trillion, two hundred twenty billion, one hundred thirteen million, two hundred thirteen thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 2131 4262 8524 10655 21310 42620 53275 106550 213100 5725543 11451086 22902172 28627715 57255430 114510860 143138575 286277150 572554300 12201132133 24402264266 48804528532 61005660665 122011321330 244022642660 305028303325 610056606650 1220113213300