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1021350143051 = 7642122723433
BaseRepresentation
bin11101101110011010011…
…01100110010001001011
310121122021122111001210222
432313031031212101023
5113213211114034201
62101111330100255
7133535002655030
oct16671515462113
93548248431728
101021350143051
11364174590417
12145b4011a68b
137540b5b6994
143760db83387
151b87acc991b
hexedcd36644b

1021350143051 has 8 divisors (see below), whose sum is σ = 1167439145184. Its totient is φ = 875306600640.

The previous prime is 1021350143027. The next prime is 1021350143069. The reversal of 1021350143051 is 1503410531201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1021350143051 is a prime.

It is a super-2 number, since 2×10213501430512 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1021350143051.

It is not an unprimeable number, because it can be changed into a prime (1021350143081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11316770 + ... + 11406663.

It is an arithmetic number, because the mean of its divisors is an integer number (145929893148).

Almost surely, 21021350143051 is an apocalyptic number.

1021350143051 is a deficient number, since it is larger than the sum of its proper divisors (146089002133).

1021350143051 is an equidigital number, since it uses as much as digits as its factorization.

1021350143051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22729861.

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 1021350143051 its reverse (1503410531201), we get a palindrome (2524760674252).

The spelling of 1021350143051 in words is "one trillion, twenty-one billion, three hundred fifty million, one hundred forty-three thousand, fifty-one".

Divisors: 1 7 6421 44947 22723433 159064031 145907163293 1021350143051