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160906099381 = 421382199761
BaseRepresentation
bin1001010111011011000…
…0000011101010110101
3120101022211012202200021
42111312300003222311
510114013430140011
6201530320045141
714424255164236
oct2256660035265
9511284182607
10160906099381
1162270331025
12272271637b1
1312233bba5c1
147b05dbb08d
1542bb2c1471
hex2576c03ab5

160906099381 has 4 divisors (see below), whose sum is σ = 161288299564. Its totient is φ = 160523899200.

The previous prime is 160906099331. The next prime is 160906099411. The reversal of 160906099381 is 183990609061.

160906099381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1904536881 + 159001562500 = 43641^2 + 398750^2 .

It is a cyclic number.

It is not a de Polignac number, because 160906099381 - 29 = 160906098869 is a prime.

It is a super-2 number, since 2×1609060993812 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160906099301) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 191099460 + ... + 191100301.

It is an arithmetic number, because the mean of its divisors is an integer number (40322074891).

Almost surely, 2160906099381 is an apocalyptic number.

It is an amenable number.

160906099381 is a deficient number, since it is larger than the sum of its proper divisors (382200183).

160906099381 is an equidigital number, since it uses as much as digits as its factorization.

160906099381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382200182.

The product of its (nonzero) digits is 629856, while the sum is 52.

The spelling of 160906099381 in words is "one hundred sixty billion, nine hundred six million, ninety-nine thousand, three hundred eighty-one".

Divisors: 1 421 382199761 160906099381