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64473686290051 = 431519929722207
BaseRepresentation
bin11101010100011011100110…
…01010110010111010000011
322110021121212001101222001221
432222031303022302322003
531422314102142240201
6345042445205335511
716403033023115533
oct1652156312627203
9273247761358057
1064473686290051
11195a81560a3445
127293523107597
1329c8ac50630cc
1411cc7862634c3
1576c1964c14a1
hex3aa3732b2e83

64473686290051 has 8 divisors (see below), whose sum is σ = 66409982127104. Its totient is φ = 62557249897800.

The previous prime is 64473686290033. The next prime is 64473686290127. The reversal of 64473686290051 is 15009268637446.

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 64473686290051 - 231 = 64471538806403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64473686290001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4964854611 + ... + 4964867596.

It is an arithmetic number, because the mean of its divisors is an integer number (8301247765888).

It is a 1-persistent number, because it is pandigital, but 2⋅64473686290051 = 128947372580102 is not.

Almost surely, 264473686290051 is an apocalyptic number.

64473686290051 is a deficient number, since it is larger than the sum of its proper divisors (1936295837053).

64473686290051 is a wasteful number, since it uses less digits than its factorization.

64473686290051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9929722401.

The product of its (nonzero) digits is 52254720, while the sum is 61.

The spelling of 64473686290051 in words is "sixty-four trillion, four hundred seventy-three billion, six hundred eighty-six million, two hundred ninety thousand, fifty-one".

Divisors: 1 43 151 6493 9929722207 426978054901 1499388053257 64473686290051