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1030231322120 = 23571113101254753
BaseRepresentation
bin11101111110111101001…
…00100110111000001000
310122111012120222201011002
432333132210212320020
5113334403204301440
62105140504354132
7134301043515260
oct16773644467010
93574176881132
101030231322120
11367a117a5730
121477ba475948
13761c5563920
1437c134a87a0
151bbea835115
hexefde926e08

1030231322120 has 256 divisors, whose sum is σ = 3143134471680. Its totient is φ = 293474304000.

The previous prime is 1030231322063. The next prime is 1030231322179. The reversal of 1030231322120 is 212231320301.

It is a super-2 number, since 2×10302313221202 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1030231322092 and 1030231322101.

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, 3916664 + ... + 4171416.

It is an arithmetic number, because the mean of its divisors is an integer number (12277869030).

Almost surely, 21030231322120 is an apocalyptic number.

1030231322120 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 1030231322120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1571567235840).

1030231322120 is an abundant number, since it is smaller than the sum of its proper divisors (2112903149560).

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

1030231322120 is a wasteful number, since it uses less digits than its factorization.

1030231322120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254896 (or 254892 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1030231322120 its reverse (212231320301), we get a palindrome (1242462642421).

The spelling of 1030231322120 in words is "one trillion, thirty billion, two hundred thirty-one million, three hundred twenty-two thousand, one hundred twenty".