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1025350521330 = 23585993974689
BaseRepresentation
bin11101110101110111010…
…01110101000111110010
310122000121102220100011110
432322323221311013302
5113244404213140310
62103012312054150
7134036066425332
oct16727351650762
93560542810143
101025350521330
11365937702873
12146877994356
13758c830b615
14378ad1950c2
151ba120c6d20
hexeebba751f2

1025350521330 has 32 divisors (see below), whose sum is σ = 2461128048000. Its totient is φ = 273394939392.

The previous prime is 1025350521329. The next prime is 1025350521331. The reversal of 1025350521330 is 331250535201.

It is an interprime number because it is at equal distance from previous prime (1025350521329) and next prime (1025350521331).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (1025350521331) 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, 1729375 + ... + 2245314.

It is an arithmetic number, because the mean of its divisors is an integer number (76910251500).

Almost surely, 21025350521330 is an apocalyptic number.

1025350521330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1025350521330 is an abundant number, since it is smaller than the sum of its proper divisors (1435777526670).

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

1025350521330 is a wasteful number, since it uses less digits than its factorization.

1025350521330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3983298.

The product of its (nonzero) digits is 13500, while the sum is 30.

The spelling of 1025350521330 in words is "one trillion, twenty-five billion, three hundred fifty million, five hundred twenty-one thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 8599 17198 25797 42995 51594 85990 128985 257970 3974689 7949378 11924067 19873445 23848134 39746890 59620335 119240670 34178350711 68356701422 102535052133 170891753555 205070104266 341783507110 512675260665 1025350521330