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1031420032000 = 21053291391999
BaseRepresentation
bin11110000001001010110…
…11001011010000000000
310122121021102202102112221
433000211123023100000
5113344322012011000
62105454450500424
7134342356421611
oct17004533132000
93577242672487
101031420032000
1136847179aa96
12147a90594714
1376354904257
1437cc72d9c08
151bc69d9061a
hexf0256cb400

1031420032000 has 352 divisors, whose sum is σ = 2682388800000. Its totient is φ = 395277926400.

The previous prime is 1031420031919. The next prime is 1031420032021. The reversal of 1031420032000 is 2300241301.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 515967001 + ... + 515968999.

Almost surely, 21031420032000 is an apocalyptic number.

1031420032000 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 1031420032000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1341194400000).

1031420032000 is an abundant number, since it is smaller than the sum of its proper divisors (1650968768000).

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

1031420032000 is a wasteful number, since it uses less digits than its factorization.

1031420032000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2202 (or 2174 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 1031420032000 its reverse (2300241301), we get a palindrome (1033720273301).

The spelling of 1031420032000 in words is "one trillion, thirty-one billion, four hundred twenty million, thirty-two thousand".