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1010252231021 = 11587501131223
BaseRepresentation
bin11101011001101111011…
…10011011000101101101
310120120122012210201112002
432230313232123011231
5113022444032343041
62052034203222045
7132662664164255
oct16546756330555
93516565721462
101010252231021
1135a49a0578a0
12143963517925
13743602ca027
1436c79ca6965
151b42b84959b
hexeb37b9b16d

1010252231021 has 16 divisors (see below), whose sum is σ = 1104226518528. Its totient is φ = 916634209200.

The previous prime is 1010252231003. The next prime is 1010252231029. The reversal of 1010252231021 is 1201322520101.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1010252231021 is a prime.

It is a super-3 number, since 3×10102522310213 (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1010252230984 and 1010252231002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010252231029) 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, 32340416 + ... + 32371638.

It is an arithmetic number, because the mean of its divisors is an integer number (69014157408).

Almost surely, 21010252231021 is an apocalyptic number.

1010252231021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1010252231021 is a deficient number, since it is larger than the sum of its proper divisors (93974287507).

1010252231021 is a wasteful number, since it uses less digits than its factorization.

1010252231021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36832.

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 1010252231021 its reverse (1201322520101), we get a palindrome (2211574751122).

The spelling of 1010252231021 in words is "one trillion, ten billion, two hundred fifty-two million, two hundred thirty-one thousand, twenty-one".

Divisors: 1 11 587 5011 6457 31223 55121 343453 2941457 18327901 32356027 156458453 201606911 1721042983 91841111911 1010252231021