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2141211043 = 15031142453
BaseRepresentation
bin111111110100000…
…0100100110100011
312112020001210100201
41333220010212203
513341122223133
6552245330031
7104026664536
oct17750044643
95466053321
102141211043
119a9726604
124b9106917
132817b99aa
14164536a1d
15c7ea7d7d
hex7fa049a3

2141211043 has 4 divisors (see below), whose sum is σ = 2141368528. Its totient is φ = 2141053560.

The previous prime is 2141211031. The next prime is 2141211049. The reversal of 2141211043 is 3401121412.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2141211043 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2141211043.

It is not an unprimeable number, because it can be changed into a prime (2141211049) 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, 56196 + ... + 86257.

It is an arithmetic number, because the mean of its divisors is an integer number (535342132).

Almost surely, 22141211043 is an apocalyptic number.

2141211043 is a deficient number, since it is larger than the sum of its proper divisors (157485).

2141211043 is a wasteful number, since it uses less digits than its factorization.

2141211043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157484.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 2141211043 is about 46273.2216622098. The cubic root of 2141211043 is about 1288.9017841079.

Adding to 2141211043 its reverse (3401121412), we get a palindrome (5542332455).

The spelling of 2141211043 in words is "two billion, one hundred forty-one million, two hundred eleven thousand, forty-three".

Divisors: 1 15031 142453 2141211043