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1030032121020 = 2235721132173613
BaseRepresentation
bin11101111110100101011…
…00101101110010111100
310122110200201011020121120
432333102230231302330
5113334001210333040
62105105031030540
7134263104366120
oct16772254556274
93573621136546
101030032121020
1136791a308a21
1214776380b450
13761931c9156
1437bd4c53580
151bbd80d77d0
hexefd2b2dcbc

1030032121020 has 192 divisors, whose sum is σ = 3313670470656. Its totient is φ = 234182430720.

The previous prime is 1030032121007. The next prime is 1030032121033. The reversal of 1030032121020 is 201212300301.

It is an interprime number because it is at equal distance from previous prime (1030032121007) and next prime (1030032121033).

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

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, 285088734 + ... + 285092346.

It is an arithmetic number, because the mean of its divisors is an integer number (17258700368).

Almost surely, 21030032121020 is an apocalyptic number.

1030032121020 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 1030032121020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1656835235328).

1030032121020 is an abundant number, since it is smaller than the sum of its proper divisors (2283638349636).

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

1030032121020 is a wasteful number, since it uses less digits than its factorization.

1030032121020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7060 (or 7058 counting only the distinct ones).

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

Adding to 1030032121020 its reverse (201212300301), we get a palindrome (1231244421321).

The spelling of 1030032121020 in words is "one trillion, thirty billion, thirty-two million, one hundred twenty-one thousand, twenty".