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2420121626 = 21393081601
BaseRepresentation
bin1001000001000000…
…0010000000011010
320020122212220202022
42100100002000122
514424022343001
61040051334442
7113654460116
oct22020020032
96218786668
102420121626
11103210621a
125765b1422
132c7512540
1418d5ba746
15e26ed11b
hex9040201a

2420121626 has 8 divisors (see below), whose sum is σ = 3909427284. Its totient is φ = 1116979200.

The previous prime is 2420121619. The next prime is 2420121643. The reversal of 2420121626 is 6261210242.

It can be written as a sum of positive squares in 2 ways, for example, as 1947015625 + 473106001 = 44125^2 + 21751^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 93081601 = 2420121626 / (2 + 4 + 2 + 0 + 1 + 2 + 1 + 6 + 2 + 6).

It is a junction number, because it is equal to n+sod(n) for n = 2420121595 and 2420121604.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46540775 + ... + 46540826.

Almost surely, 22420121626 is an apocalyptic number.

2420121626 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2420121626 is a deficient number, since it is larger than the sum of its proper divisors (1489305658).

2420121626 is a wasteful number, since it uses less digits than its factorization.

2420121626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93081616.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 2420121626 is about 49194.7316894807. The cubic root of 2420121626 is about 1342.5971805500.

Adding to 2420121626 its reverse (6261210242), we get a palindrome (8681331868).

The spelling of 2420121626 in words is "two billion, four hundred twenty million, one hundred twenty-one thousand, six hundred twenty-six".

Divisors: 1 2 13 26 93081601 186163202 1210060813 2420121626