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1011023023213 = 7144431860459
BaseRepresentation
bin11101011011001011010…
…10110000110001101101
310120122121221012000122001
432231211222300301231
5113031033343220323
62052242500052301
7133021043621650
oct16554552606155
93518557160561
101011023023213
1135a855159435
12143b39694091
1374453bc4698
1436d103cb897
151b4743523ad
hexeb65ab0c6d

1011023023213 has 4 divisors (see below), whose sum is σ = 1155454883680. Its totient is φ = 866591162748.

The previous prime is 1011023023189. The next prime is 1011023023237. The reversal of 1011023023213 is 3123203201101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (1011023023189) and next prime (1011023023237).

It is a cyclic number.

It is not a de Polignac number, because 1011023023213 - 213 = 1011023015021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011023023253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72215930223 + ... + 72215930236.

It is an arithmetic number, because the mean of its divisors is an integer number (288863720920).

Almost surely, 21011023023213 is an apocalyptic number.

It is an amenable number.

1011023023213 is a deficient number, since it is larger than the sum of its proper divisors (144431860467).

1011023023213 is an equidigital number, since it uses as much as digits as its factorization.

1011023023213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144431860466.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1011023023213 its reverse (3123203201101), we get a palindrome (4134226224314).

The spelling of 1011023023213 in words is "one trillion, eleven billion, twenty-three million, twenty-three thousand, two hundred thirteen".

Divisors: 1 7 144431860459 1011023023213