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161464065022230 = 23519460927656149
BaseRepresentation
bin100100101101100111001000…
…001111010101100100010110
3210011200210222022100011122220
4210231213020033111210112
5132130411401121202410
61331223322323403210
746003252023504345
oct4455471017254426
9704623868304586
10161464065022230
11474a1586388a33
1216138998823506
136c12cc4294a79
142bc2c8c445b5c
1513a00b6a51070
hex92d9c83d5916

161464065022230 has 32 divisors (see below), whose sum is σ = 387515761308000. Its totient is φ = 43056861199872.

The previous prime is 161464065022193. The next prime is 161464065022261. The reversal of 161464065022230 is 32220560464161.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 7989805 + ... + 19666344.

It is an arithmetic number, because the mean of its divisors is an integer number (12109867540875).

Almost surely, 2161464065022230 is an apocalyptic number.

161464065022230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161464065022230 is an abundant number, since it is smaller than the sum of its proper divisors (226051696285770).

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

161464065022230 is a wasteful number, since it uses less digits than its factorization.

161464065022230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27850768.

The product of its (nonzero) digits is 414720, while the sum is 42.

The spelling of 161464065022230 in words is "one hundred sixty-one trillion, four hundred sixty-four billion, sixty-five million, twenty-two thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 194609 389218 583827 973045 1167654 1946090 2919135 5838270 27656149 55312298 82968447 138280745 165936894 276561490 414842235 829684470 5382135500741 10764271001482 16146406502223 26910677503705 32292813004446 53821355007410 80732032511115 161464065022230