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1226216216 = 23228767021
BaseRepresentation
bin100100100010110…
…1001001100011000
310011110100020102102
41021011221030120
510002402404331
6321402022532
742246444251
oct11105511430
93143306372
101226216216
1157a192435
122a27a7a48
13167073134
14b8bd5b28
15729b84cb
hex49169318

1226216216 has 16 divisors (see below), whose sum is σ = 2300195040. Its totient is φ = 612830880.

The previous prime is 1226216213. The next prime is 1226216231. The reversal of 1226216216 is 6126126221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1226216213) 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, 15215 + ... + 51806.

It is an arithmetic number, because the mean of its divisors is an integer number (143762190).

Almost surely, 21226216216 is an apocalyptic number.

It is an amenable number.

1226216216 is a deficient number, since it is larger than the sum of its proper divisors (1073978824).

1226216216 is a wasteful number, since it uses less digits than its factorization.

1226216216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69314 (or 69310 counting only the distinct ones).

The product of its digits is 3456, while the sum is 29.

The square root of 1226216216 is about 35017.3702039431. The cubic root of 1226216216 is about 1070.3414684461.

The spelling of 1226216216 in words is "one billion, two hundred twenty-six million, two hundred sixteen thousand, two hundred sixteen".

Divisors: 1 2 4 8 2287 4574 9148 18296 67021 134042 268084 536168 153277027 306554054 613108108 1226216216