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1011330121213 = 35931652917029
BaseRepresentation
bin11101011011101111111…
…10001111110111111101
310120200102100001012220001
432231313332033313331
5113032201002334323
62052333150154301
7133031463123256
oct16556776176775
93520370035801
101011330121213
1135a9a2540735
121440044b2991
13744a2709189
1436d3d0cbb2d
151b4912b43ad
hexeb77f8fdfd

1011330121213 has 8 divisors (see below), whose sum is σ = 1011732204600. Its totient is φ = 1010928112128.

The previous prime is 1011330121201. The next prime is 1011330121229. The reversal of 1011330121213 is 3121210331101.

It can be written as a sum of positive squares in 4 ways, for example, as 416330786169 + 594999335044 = 645237^2 + 771362^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1011330121213 - 25 = 1011330121181 is a prime.

It is a super-2 number, since 2×10113301212132 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011330121013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59380183 + ... + 59397211.

It is an arithmetic number, because the mean of its divisors is an integer number (126466525575).

Almost surely, 21011330121213 is an apocalyptic number.

It is an amenable number.

1011330121213 is a deficient number, since it is larger than the sum of its proper divisors (402083387).

1011330121213 is a wasteful number, since it uses less digits than its factorization.

1011330121213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37151.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1011330121213 its reverse (3121210331101), we get a palindrome (4132540452314).

The spelling of 1011330121213 in words is "one trillion, eleven billion, three hundred thirty million, one hundred twenty-one thousand, two hundred thirteen".

Divisors: 1 3593 16529 17029 59388697 61185197 281472341 1011330121213