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1226500201 = 5979271971
BaseRepresentation
bin100100100011010…
…1110100001101001
310011110212122222101
41021012232201221
510002441001301
6321412053401
742252036223
oct11106564151
93143778871
101226500201
1157a366833
122a2904261
13167142484
14b8c6b413
1572a22701
hex491ae869

1226500201 has 16 divisors (see below), whose sum is σ = 1269043200. Its totient is φ = 1184835600.

The previous prime is 1226500169. The next prime is 1226500211. The reversal of 1226500201 is 1020056221.

It is a cyclic number.

It is not a de Polignac number, because 1226500201 - 25 = 1226500169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1226500211) 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, 1262646 + ... + 1263616.

It is an arithmetic number, because the mean of its divisors is an integer number (79315200).

Almost surely, 21226500201 is an apocalyptic number.

It is an amenable number.

1226500201 is a deficient number, since it is larger than the sum of its proper divisors (42542999).

1226500201 is an equidigital number, since it uses as much as digits as its factorization.

1226500201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1380.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1226500201 is about 35021.4248853470. The cubic root of 1226500201 is about 1070.4240904872.

Adding to 1226500201 its reverse (1020056221), we get a palindrome (2246556422).

The spelling of 1226500201 in words is "one billion, two hundred twenty-six million, five hundred thousand, two hundred one".

Divisors: 1 59 79 271 971 4661 15989 21409 57289 76709 263141 1263131 4525831 15525319 20788139 1226500201