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161796037413192 = 233721339773936073
BaseRepresentation
bin100100110010011100010011…
…010101100000100101001000
3210012212112212000221221112020
4210302130103111200211020
5132201331241034210232
61332040023512044440
746036243431330600
oct4462342325404510
9705775760857466
10161796037413192
114760a350118836
12161911a5693720
136c383bacb71c0
142bd4d81941c00
1513a8a46095e2c
hex932713560948

161796037413192 has 384 divisors, whose sum is σ = 508701753302400. Its totient is φ = 42505222459392.

The previous prime is 161796037413181. The next prime is 161796037413229. The reversal of 161796037413192 is 291314730697161.

It is a super-2 number, since 2×1617960374131922 (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4485221268 + ... + 4485257340.

It is an arithmetic number, because the mean of its divisors is an integer number (1324744149225).

Almost surely, 2161796037413192 is an apocalyptic number.

161796037413192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 161796037413192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (254350876651200).

161796037413192 is an abundant number, since it is smaller than the sum of its proper divisors (346905715889208).

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

161796037413192 is a wasteful number, since it uses less digits than its factorization.

161796037413192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37245 (or 37234 counting only the distinct ones).

The product of its (nonzero) digits is 10287648, while the sum is 60.

The spelling of 161796037413192 in words is "one hundred sixty-one trillion, seven hundred ninety-six billion, thirty-seven million, four hundred thirteen thousand, one hundred ninety-two".