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1051930890811 = 3085513409261
BaseRepresentation
bin11110100111010111111…
…01111001001000111011
310201120012212120000100101
433103223331321020323
5114213323302001221
62123130025420231
7135666554020033
oct17235375711073
93646185500311
101051930890811
11376137622879
1214ba5563a677
13782730966b8
1438cb13a28c3
151c56a8bbd91
hexf4ebf7923b

1051930890811 has 4 divisors (see below), whose sum is σ = 1051934608624. Its totient is φ = 1051927173000.

The previous prime is 1051930890793. The next prime is 1051930890839. The reversal of 1051930890811 is 1180980391501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1051930890811 - 27 = 1051930890683 is a prime.

It is a super-2 number, since 2×10519308908112 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1051930890841) 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, 1396080 + ... + 2013181.

It is an arithmetic number, because the mean of its divisors is an integer number (262983652156).

Almost surely, 21051930890811 is an apocalyptic number.

1051930890811 is a deficient number, since it is larger than the sum of its proper divisors (3717813).

1051930890811 is an equidigital number, since it uses as much as digits as its factorization.

1051930890811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3717812.

The product of its (nonzero) digits is 77760, while the sum is 46.

The spelling of 1051930890811 in words is "one trillion, fifty-one billion, nine hundred thirty million, eight hundred ninety thousand, eight hundred eleven".

Divisors: 1 308551 3409261 1051930890811