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10205031320000 = 265411171364309
BaseRepresentation
bin1001010010000000101101…
…0001000100100111000000
31100010120222011211110211222
42110200023101010213000
52314144401004220000
633412043205454212
72102201121662606
oct224401321044700
940116864743758
1010205031320000
113284a25154420
121189978411368
1359043a95100a
14273cd7505876
1512a6c9e58a85
hex9480b4449c0

10205031320000 has 280 divisors, whose sum is σ = 29229512249520. Its totient is φ = 3492628480000.

The previous prime is 10205031319961. The next prime is 10205031320023. The reversal of 10205031320000 is 2313050201.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 6797846 + ... + 8162154.

Almost surely, 210205031320000 is an apocalyptic number.

10205031320000 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 10205031320000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14614756124760).

10205031320000 is an abundant number, since it is smaller than the sum of its proper divisors (19024480929520).

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

10205031320000 is a wasteful number, since it uses less digits than its factorization.

10205031320000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1364369 (or 1364344 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

Adding to 10205031320000 its reverse (2313050201), we get a palindrome (10207344370201).

The spelling of 10205031320000 in words is "ten trillion, two hundred five billion, thirty-one million, three hundred twenty thousand".