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1268284701 = 3422761567
BaseRepresentation
bin100101110011000…
…0111110100011101
310021101111112112110
41023212013310131
510044140102301
6325503424233
743300146015
oct11346076435
93241445473
101268284701
115a0a06082
122b48b5079
131729b2328
14c0626c45
15765280d6
hex4b987d1d

1268284701 has 4 divisors (see below), whose sum is σ = 1691046272. Its totient is φ = 845523132.

The previous prime is 1268284691. The next prime is 1268284727. The reversal of 1268284701 is 1074828621.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1268284701 - 29 = 1268284189 is a prime.

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 1268284701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1268284301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211380781 + ... + 211380786.

It is an arithmetic number, because the mean of its divisors is an integer number (422761568).

Almost surely, 21268284701 is an apocalyptic number.

It is an amenable number.

1268284701 is a deficient number, since it is larger than the sum of its proper divisors (422761571).

1268284701 is an equidigital number, since it uses as much as digits as its factorization.

1268284701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422761570.

The product of its (nonzero) digits is 43008, while the sum is 39.

The square root of 1268284701 is about 35612.9850054724. The cubic root of 1268284701 is about 1082.4443666061. Note that the first 3 decimals are identical.

The spelling of 1268284701 in words is "one billion, two hundred sixty-eight million, two hundred eighty-four thousand, seven hundred one".

Divisors: 1 3 422761567 1268284701