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2266400631 = 31168678807
BaseRepresentation
bin1000011100010110…
…1000011101110111
312211221122002012010
42013011220131313
514120144310011
61012520455303
7110110042005
oct20705503567
95757562163
102266400631
11a63362380
1253301a533
132a170ca81
14177003a75
15d3e861a6
hex87168777

2266400631 has 8 divisors (see below), whose sum is σ = 3296582784. Its totient is φ = 1373576120.

The previous prime is 2266400623. The next prime is 2266400639. The reversal of 2266400631 is 1360046622.

It is an interprime number because it is at equal distance from previous prime (2266400623) and next prime (2266400639).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2266400631 - 23 = 2266400623 is a prime.

It is a super-2 number, since 2×22664006312 = 10273143640394396322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2266400639) 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 7 ways as a sum of consecutive naturals, for example, 34339371 + ... + 34339436.

It is an arithmetic number, because the mean of its divisors is an integer number (412072848).

Almost surely, 22266400631 is an apocalyptic number.

2266400631 is a deficient number, since it is larger than the sum of its proper divisors (1030182153).

2266400631 is a wasteful number, since it uses less digits than its factorization.

2266400631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68678821.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 2266400631 is about 47606.7288416249. The cubic root of 2266400631 is about 1313.5468304018.

The spelling of 2266400631 in words is "two billion, two hundred sixty-six million, four hundred thousand, six hundred thirty-one".

Divisors: 1 3 11 33 68678807 206036421 755466877 2266400631