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1330023311221 = 11532281343587
BaseRepresentation
bin10011010110101011100…
…100010010011101110101
311201011000121111200120211
4103112223210102131311
5133242341431424341
62455000531225421
7165043134420103
oct23265344223565
94634017450524
101330023311221
114730725382a0
12195926148271
1398561261b57
1448532b40c73
15248e4b06181
hex135ab912775

1330023311221 has 8 divisors (see below), whose sum is σ = 1478310645024. Its totient is φ = 1186298664720.

The previous prime is 1330023311219. The next prime is 1330023311231. The reversal of 1330023311221 is 1221133200331.

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 1330023311221 - 21 = 1330023311219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1330023311192 and 1330023311201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330023311231) 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, 1140671211 + ... + 1140672376.

It is an arithmetic number, because the mean of its divisors is an integer number (184788830628).

Almost surely, 21330023311221 is an apocalyptic number.

1330023311221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1330023311221 is a deficient number, since it is larger than the sum of its proper divisors (148287333803).

1330023311221 is a wasteful number, since it uses less digits than its factorization.

1330023311221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2281343651.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1330023311221 its reverse (1221133200331), we get a palindrome (2551156511552).

The spelling of 1330023311221 in words is "one trillion, three hundred thirty billion, twenty-three million, three hundred eleven thousand, two hundred twenty-one".

Divisors: 1 11 53 583 2281343587 25094779457 120911210111 1330023311221