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164251006051231 = 1137880034585811
BaseRepresentation
bin100101010110001010101010…
…110111101010001110011111
3210112120020120000120022011001
4211112022222313222032133
5133012042030022114411
61341155512010011131
746411513022416621
oct4526125267521637
9715506500508131
10164251006051231
11483765079a02a0
1216508b41716aa7
137085a5a127318
142c7bb10b40c11
1513ec82b620dc1
hex9562aadea39f

164251006051231 has 16 divisors (see below), whose sum is σ = 184027828457088. Its totient is φ = 145281762583200.

The previous prime is 164251006051213. The next prime is 164251006051277. The reversal of 164251006051231 is 132150600152461.

It is a cyclic number.

It is not a de Polignac number, because 164251006051231 - 217 = 164251005920159 is a prime.

It is a super-2 number, since 2×1642510060512312 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164251006051291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33524316 + ... + 38110126.

It is an arithmetic number, because the mean of its divisors is an integer number (11501739278568).

Almost surely, 2164251006051231 is an apocalyptic number.

164251006051231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

164251006051231 is a deficient number, since it is larger than the sum of its proper divisors (19776822405857).

164251006051231 is a wasteful number, since it uses less digits than its factorization.

164251006051231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4673862.

The product of its (nonzero) digits is 43200, while the sum is 37.

The spelling of 164251006051231 in words is "one hundred sixty-four trillion, two hundred fifty-one billion, six million, fifty-one thousand, two hundred thirty-one".

Divisors: 1 11 37 407 88003 968033 3256111 4585811 35817221 50443921 169675007 1866425077 403565125433 4439216379763 14931909641021 164251006051231