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1040998389760 = 2115734574201
BaseRepresentation
bin11110010011000000101…
…01101101100000000000
310200111222222010102021001
433021200111231200000
5114023431041433020
62114121132141344
7135131624213110
oct17114025554000
93614888112231
101040998389760
113715374a7a3a
12149904307854
1377220143374
1438555463040
151c12ac1250a
hexf26056d800

1040998389760 has 192 divisors, whose sum is σ = 2856118224960. Its totient is φ = 356725555200.

The previous prime is 1040998389751. The next prime is 1040998389763. The reversal of 1040998389760 is 679838990401.

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a junction number, because it is equal to n+sod(n) for n = 1040998389692 and 1040998389701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040998389763) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 247795660 + ... + 247799860.

It is an arithmetic number, because the mean of its divisors is an integer number (14875615755).

Almost surely, 21040998389760 is an apocalyptic number.

1040998389760 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 1040998389760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1428059112480).

1040998389760 is an abundant number, since it is smaller than the sum of its proper divisors (1815119835200).

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

1040998389760 is an equidigital number, since it uses as much as digits as its factorization.

1040998389760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7692 (or 7672 counting only the distinct ones).

The product of its (nonzero) digits is 23514624, while the sum is 64.

The spelling of 1040998389760 in words is "one trillion, forty billion, nine hundred ninety-eight million, three hundred eighty-nine thousand, seven hundred sixty".