Search a number
-
+
2111477048381 = 31109762089483
BaseRepresentation
bin11110101110011101110…
…101101110010000111101
321110212002110120122210202
4132232131311232100331
5234043301111022011
64253555453013245
7305356240532021
oct36563565562075
97425073518722
102111477048381
11744521825238
122a1275484225
1312415aa787ac
14742a5cc0381
1539dcead923b
hex1eb9dd6e43d

2111477048381 has 8 divisors (see below), whose sum is σ = 2181576109824. Its totient is φ = 2041502168160.

The previous prime is 2111477048327. The next prime is 2111477048393. The reversal of 2111477048381 is 1838407741112.

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 2111477048381 - 222 = 2111472854077 is a prime.

It is a super-2 number, since 2×21114770483812 (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 (2111477048581) 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, 31010735 + ... + 31078748.

It is an arithmetic number, because the mean of its divisors is an integer number (272697013728).

Almost surely, 22111477048381 is an apocalyptic number.

It is an amenable number.

2111477048381 is a deficient number, since it is larger than the sum of its proper divisors (70099061443).

2111477048381 is a wasteful number, since it uses less digits than its factorization.

2111477048381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62090611.

The product of its (nonzero) digits is 301056, while the sum is 47.

The spelling of 2111477048381 in words is "two trillion, one hundred eleven billion, four hundred seventy-seven million, forty-eight thousand, three hundred eighty-one".

Divisors: 1 31 1097 34007 62089483 1924773973 68112162851 2111477048381