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1102216445 = 511148713477
BaseRepresentation
bin100000110110010…
…0111110011111101
32211211000101201022
41001230213303331
54224131411240
6301212153525
736212454011
oct10154476375
92754011638
101102216445
11516199590
122691688a5
131474787a5
14a6558541
1566b729b5
hex41b27cfd

1102216445 has 16 divisors (see below), whose sum is σ = 1443979008. Its totient is φ = 801013440.

The previous prime is 1102216441. The next prime is 1102216447. The reversal of 1102216445 is 5446122011.

It is not a de Polignac number, because 1102216445 - 22 = 1102216441 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 (1102216441) 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, 75047 + ... + 88523.

It is an arithmetic number, because the mean of its divisors is an integer number (90248688).

Almost surely, 21102216445 is an apocalyptic number.

It is an amenable number.

1102216445 is a deficient number, since it is larger than the sum of its proper divisors (341762563).

1102216445 is a wasteful number, since it uses less digits than its factorization.

1102216445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14980.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 1102216445 is about 33199.6452541288. The cubic root of 1102216445 is about 1032.9729812408.

Adding to 1102216445 its reverse (5446122011), we get a palindrome (6548338456).

The spelling of 1102216445 in words is "one billion, one hundred two million, two hundred sixteen thousand, four hundred forty-five".

Divisors: 1 5 11 55 1487 7435 13477 16357 67385 81785 148247 741235 20040299 100201495 220443289 1102216445