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164630281654272 = 212373161740307
BaseRepresentation
bin100101011011101011111001…
…011101010001000000000000
3210120220111112101112020002010
4211123223321131101000000
5133034300304100414042
61342050035102252520
746451100565021350
oct4533537135210000
9716814471466063
10164630281654272
11485023461004a5
121656a550287140
1370b2751c88a85
142c92210732b60
1514076288ac59c
hex95baf9751000

164630281654272 has 208 divisors, whose sum is σ = 517852019535872. Its totient is φ = 45519892807680.

The previous prime is 164630281654259. The next prime is 164630281654297. The reversal of 164630281654272 is 272456182036461.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28203658 + ... + 33536649.

Almost surely, 2164630281654272 is an apocalyptic number.

164630281654272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

164630281654272 is an abundant number, since it is smaller than the sum of its proper divisors (353221737881600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164630281654272 is an equidigital number, since it uses as much as digits as its factorization.

164630281654272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61740372 (or 61740350 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 57.

The spelling of 164630281654272 in words is "one hundred sixty-four trillion, six hundred thirty billion, two hundred eighty-one million, six hundred fifty-four thousand, two hundred seventy-two".