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1030210310220 = 2235713409346099
BaseRepresentation
bin11101111110111010101…
…00011101000001001100
310122111011010110012020120
432333131110131001030
5113334332314411340
62105134434144540
7134300400103140
oct16773524350114
93574133405216
101030210310220
11367a00954123
121477b3422150
13761c10b7a50
1437c10799220
151bbe8a844d0
hexefdd51d04c

1030210310220 has 192 divisors, whose sum is σ = 3551207654400. Its totient is φ = 217305234432.

The previous prime is 1030210310209. The next prime is 1030210310231. The reversal of 1030210310220 is 220130120301.

It is an interprime number because it is at equal distance from previous prime (1030210310209) and next prime (1030210310231).

It is a super-2 number, since 2×10302103102202 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1030210310220.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 22324731 + ... + 22370829.

It is an arithmetic number, because the mean of its divisors is an integer number (18495873200).

Almost surely, 21030210310220 is an apocalyptic number.

1030210310220 is a gapful number since it is divisible by the number (10) 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 1030210310220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1775603827200).

1030210310220 is an abundant number, since it is smaller than the sum of its proper divisors (2520997344180).

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

1030210310220 is a wasteful number, since it uses less digits than its factorization.

1030210310220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50224 (or 50222 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 1030210310220 its reverse (220130120301), we get a palindrome (1250340430521).

The spelling of 1030210310220 in words is "one trillion, thirty billion, two hundred ten million, three hundred ten thousand, two hundred twenty".