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164145236052046 = 2400307205024189
BaseRepresentation
bin100101010100101000001010…
…011111001000100001001110
3210112012010112201122122000211
4211110220022133020201032
5133003323420412131141
61341035140323513034
746401046653311224
oct4524501237104116
9715163481578024
10164145236052046
1148335670548427
12164b054352877a
137078aa20ab5a2
142c76959662b14
1513e9bdaa81d81
hex954a0a7c884e

164145236052046 has 8 divisors (see below), whose sum is σ = 246218470351560. Its totient is φ = 82072412601528.

The previous prime is 164145236052037. The next prime is 164145236052067. The reversal of 164145236052046 is 640250632541461.

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

It is a super-2 number, since 2×1641452360520462 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101711481 + ... + 103312708.

It is an arithmetic number, because the mean of its divisors is an integer number (30777308793945).

Almost surely, 2164145236052046 is an apocalyptic number.

164145236052046 is a deficient number, since it is larger than the sum of its proper divisors (82073234299514).

164145236052046 is a wasteful number, since it uses less digits than its factorization.

164145236052046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205424498.

The product of its (nonzero) digits is 4147200, while the sum is 49.

The spelling of 164145236052046 in words is "one hundred sixty-four trillion, one hundred forty-five billion, two hundred thirty-six million, fifty-two thousand, forty-six".

Divisors: 1 2 400307 800614 205024189 410048378 82072618026023 164145236052046