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1023112630661 = 1193010239151
BaseRepresentation
bin11101110001101100100…
…00111101000110000101
310121210211110220201021212
432320312100331012011
5113230313313140121
62102002250221205
7133626453604622
oct16706620750605
93553743821255
101023112630661
11364999453450
12146352424805
137562c7a1564
1437739c93349
151b9308c325b
hexee3643d185

1023112630661 has 4 divisors (see below), whose sum is σ = 1116122869824. Its totient is φ = 930102391500.

The previous prime is 1023112630601. The next prime is 1023112630663. The reversal of 1023112630661 is 1660362113201.

1023112630661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a cyclic number.

It is not a de Polignac number, because 1023112630661 - 230 = 1022038888837 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 (1023112630663) 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, 46505119565 + ... + 46505119586.

It is an arithmetic number, because the mean of its divisors is an integer number (279030717456).

Almost surely, 21023112630661 is an apocalyptic number.

1023112630661 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1023112630661 is a deficient number, since it is larger than the sum of its proper divisors (93010239163).

1023112630661 is an equidigital number, since it uses as much as digits as its factorization.

1023112630661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93010239162.

The product of its (nonzero) digits is 7776, while the sum is 32.

Adding to 1023112630661 its reverse (1660362113201), we get a palindrome (2683474743862).

The spelling of 1023112630661 in words is "one trillion, twenty-three billion, one hundred twelve million, six hundred thirty thousand, six hundred sixty-one".

Divisors: 1 11 93010239151 1023112630661