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64626420400001 = 731397977991239
BaseRepresentation
bin11101011000111000000101…
…10101001011111110000001
322110211020002100120122200222
432230130002311023332001
531432314402110300001
6345240545003352425
716420050641460035
oct1654340265137601
9273736070518628
1064626420400001
1119656a02565899
1272b9049522715
132a0a325bac8b5
1411d5d14ba61c5
1577113512261b
hex3ac702d4bf81

64626420400001 has 16 divisors (see below), whose sum is σ = 66065818627200. Its totient is φ = 63203148851328.

The previous prime is 64626420399953. The next prime is 64626420400013. The reversal of 64626420400001 is 10000402462646.

64626420400001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-64626420400001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64626420400021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4091540 + ... + 12082778.

It is an arithmetic number, because the mean of its divisors is an integer number (4129113664200).

Almost surely, 264626420400001 is an apocalyptic number.

It is an amenable number.

64626420400001 is a deficient number, since it is larger than the sum of its proper divisors (1439398227199).

64626420400001 is a wasteful number, since it uses less digits than its factorization.

64626420400001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7992248.

The product of its (nonzero) digits is 55296, while the sum is 35.

Adding to 64626420400001 its reverse (10000402462646), we get a palindrome (74626822862647).

The spelling of 64626420400001 in words is "sixty-four trillion, six hundred twenty-six billion, four hundred twenty million, four hundred thousand, one".

Divisors: 1 73 139 797 10147 58181 110783 7991239 8087159 583360447 1110782221 6369017483 81087102133 464938276259 885293430137 64626420400001