Search a number
-
+
1224790916498 = 2432181992
BaseRepresentation
bin10001110100101011001…
…110100011110110010010
311100002101210012011010222
4101310223032203312102
5130031332433311443
62334354451553042
7154326314005352
oct21645316436622
94302353164128
101224790916498
114324815a6636
12179457bbb782
138b660706576
14433ccc06b62
1521cd635c468
hex11d2b3a3d92

1224790916498 has 18 divisors (see below), whose sum is σ = 1881008607879. Its totient is φ = 598120836012.

The previous prime is 1224790916491. The next prime is 1224790916533. The reversal of 1224790916498 is 8946190974221.

It can be written as a sum of positive squares in only one way, i.e., 612395458249 + 612395458249 = 782557^2 + 782557^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=782557.

It is a super-2 number, since 2×12247909164982 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1224790916498.

It is not an unprimeable number, because it can be changed into a prime (1224790916491) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 67290803 + ... + 67309001.

Almost surely, 21224790916498 is an apocalyptic number.

1224790916498 is a deficient number, since it is larger than the sum of its proper divisors (656217691381).

1224790916498 is an frugal number, since it uses more digits than its factorization.

1224790916498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36486 (or 18244 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 62.

The spelling of 1224790916498 in words is "one trillion, two hundred twenty-four billion, seven hundred ninety million, nine hundred sixteen thousand, four hundred ninety-eight".

Divisors: 1 2 43 86 1849 3698 18199 36398 782557 1565114 33649951 67299902 331203601 662407202 14241754843 28483509686 612395458249 1224790916498