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2101506941 = 23193473419
BaseRepresentation
bin111110101000010…
…0111001101111101
312102110100121120102
41331100213031331
513300441210231
6544310330445
7103035341252
oct17520471575
95373317512
102101506941
119892782a6
124a7959a25
132764c7a41
1415d15d429
15c4763acb
hex7d42737d

2101506941 has 8 divisors (see below), whose sum is σ = 2204243520. Its totient is φ = 1999717632.

The previous prime is 2101506937. The next prime is 2101506977. The reversal of 2101506941 is 1496051012.

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 2101506941 - 22 = 2101506937 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 (2101506041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232271 + ... + 241148.

It is an arithmetic number, because the mean of its divisors is an integer number (275530440).

Almost surely, 22101506941 is an apocalyptic number.

It is an amenable number.

2101506941 is a deficient number, since it is larger than the sum of its proper divisors (102736579).

2101506941 is a wasteful number, since it uses less digits than its factorization.

2101506941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473635.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 2101506941 is about 45842.1960752318. The cubic root of 2101506941 is about 1280.8854024223.

Adding to 2101506941 its reverse (1496051012), we get a palindrome (3597557953).

The spelling of 2101506941 in words is "two billion, one hundred one million, five hundred six thousand, nine hundred forty-one".

Divisors: 1 23 193 4439 473419 10888637 91369867 2101506941