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1030121230320 = 243357135240747
BaseRepresentation
bin11101111110110000000…
…00101000111111110000
310122110220220211110121000
432333120000220333300
5113334142013332240
62105121533002000
7134265235662030
oct16773000507760
93573826743530
101030121230320
11367965641076
12147789623300
13761a87c8850
1437c02a0b8c0
151bbe0d3a430
hexefd8028ff0

1030121230320 has 320 divisors, whose sum is σ = 4367010493440. Its totient is φ = 217344218112.

The previous prime is 1030121230319. The next prime is 1030121230343. The reversal of 1030121230320 is 230321210301.

1030121230320 is a `hidden beast` number, since 1 + 0 + 301 + 2 + 12 + 30 + 320 = 666.

It is a super-2 number, since 2×10301212303202 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1030121230293 and 1030121230302.

It is a congruent number.

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, 2423814 + ... + 2816933.

It is an arithmetic number, because the mean of its divisors is an integer number (13646907792).

Almost surely, 21030121230320 is an apocalyptic number.

1030121230320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1030121230320 is an abundant number, since it is smaller than the sum of its proper divisors (3336889263120).

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

1030121230320 is a wasteful number, since it uses less digits than its factorization.

1030121230320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5240789 (or 5240777 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1030121230320 its reverse (230321210301), we get a palindrome (1260442440621).

The spelling of 1030121230320 in words is "one trillion, thirty billion, one hundred twenty-one million, two hundred thirty thousand, three hundred twenty".