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2141455045 = 53114399601
BaseRepresentation
bin111111110100100…
…0000001011000101
312112020112012001211
41333221000023011
513341203030140
6552254451421
7104032032112
oct17751001305
95466465054
102141455045
119a9882964
124b9203b71
13281873a82
1416459b909
15c80052ea
hex7fa402c5

2141455045 has 16 divisors (see below), whose sum is σ = 2654760960. Its totient is φ = 1656576000.

The previous prime is 2141455039. The next prime is 2141455049. The reversal of 2141455045 is 5405541412.

It is a happy number.

It is not a de Polignac number, because 2141455045 - 227 = 2007237317 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 2141454998 and 2141455016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2141455049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 218245 + ... + 227845.

It is an arithmetic number, because the mean of its divisors is an integer number (165922560).

Almost surely, 22141455045 is an apocalyptic number.

It is an amenable number.

2141455045 is a deficient number, since it is larger than the sum of its proper divisors (513305915).

2141455045 is a wasteful number, since it uses less digits than its factorization.

2141455045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11076.

The product of its (nonzero) digits is 16000, while the sum is 31.

The square root of 2141455045 is about 46275.8581227836. The cubic root of 2141455045 is about 1288.9507412419.

Adding to 2141455045 its reverse (5405541412), we get a palindrome (7546996457).

The spelling of 2141455045 in words is "two billion, one hundred forty-one million, four hundred fifty-five thousand, forty-five".

Divisors: 1 5 31 155 1439 7195 9601 44609 48005 223045 297631 1488155 13815839 69079195 428291009 2141455045