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1226310612 = 223102192551
BaseRepresentation
bin100100100011000…
…0000001111010100
310011110112000220120
41021012000033110
510002413414422
6321404031540
742250316412
oct11106001724
93143460816
101226310612
1157a24734a
122a28325b0
131670a70a7
14b8c1c2b2
15729d645c
hex491803d4

1226310612 has 12 divisors (see below), whose sum is σ = 2861391456. Its totient is φ = 408770200.

The previous prime is 1226310611. The next prime is 1226310637. The reversal of 1226310612 is 2160136221.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1226310611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51096264 + ... + 51096287.

It is an arithmetic number, because the mean of its divisors is an integer number (238449288).

Almost surely, 21226310612 is an apocalyptic number.

1226310612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1226310612 is an abundant number, since it is smaller than the sum of its proper divisors (1635080844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1226310612 is a wasteful number, since it uses less digits than its factorization.

1226310612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102192558 (or 102192556 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 1226310612 is about 35018.7180233657. The cubic root of 1226310612 is about 1070.3689332492.

Adding to 1226310612 its reverse (2160136221), we get a palindrome (3386446833).

The spelling of 1226310612 in words is "one billion, two hundred twenty-six million, three hundred ten thousand, six hundred twelve".

Divisors: 1 2 3 4 6 12 102192551 204385102 306577653 408770204 613155306 1226310612