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1030221220332 = 223130165989061
BaseRepresentation
bin11101111110111011111…
…10000100100111101100
310122111011212222111002210
432333131332010213230
5113334343113022312
62105135504050420
7134300561613063
oct16773576044754
93574155874083
101030221220332
11367a07026047
121477b7003a10
13761c3437935
1437c11dd91da
151bbe99dbe3c
hexefddf849ec

1030221220332 has 24 divisors (see below), whose sum is σ = 2405697244272. Its totient is φ = 343143112000.

The previous prime is 1030221220309. The next prime is 1030221220337. The reversal of 1030221220332 is 2330221220301.

It is a happy number.

It is a super-2 number, since 2×10302212203322 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1030221220299 and 1030221220308.

It is not an unprimeable number, because it can be changed into a prime (1030221220337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32978919 + ... + 33010142.

It is an arithmetic number, because the mean of its divisors is an integer number (100237385178).

Almost surely, 21030221220332 is an apocalyptic number.

1030221220332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1030221220332 is an abundant number, since it is smaller than the sum of its proper divisors (1375476023940).

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

1030221220332 is a wasteful number, since it uses less digits than its factorization.

1030221220332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65990369 (or 65990367 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 1030221220332 its reverse (2330221220301), we get a palindrome (3360442440633).

The spelling of 1030221220332 in words is "one trillion, thirty billion, two hundred twenty-one million, two hundred twenty thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 12 1301 2602 3903 5204 7806 15612 65989061 131978122 197967183 263956244 395934366 791868732 85851768361 171703536722 257555305083 343407073444 515110610166 1030221220332