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90829301641 = 1329722392
BaseRepresentation
bin101010010010111011…
…0010010011110001001
322200110001100121002221
41110211312102132021
52442004300123031
6105420523054041
76363556216411
oct1244566223611
9280401317087
1090829301641
113557a855751
121572a671321
138746894300
1445790d3641
152569090a11
hex1525d92789

90829301641 has 27 divisors (see below), whose sum is σ = 99795577941. Its totient is φ = 82630888704.

The previous prime is 90829301627. The next prime is 90829301653. The reversal of 90829301641 is 14610392809.

It is a happy number.

The square root of 90829301641 is 301379.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 16594850041 + 74234451600 = 128821^2 + 272460^2 .

It is not a de Polignac number, because 90829301641 - 229 = 90292430729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90829301441) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 380038800 + ... + 380039038.

Almost surely, 290829301641 is an apocalyptic number.

90829301641 is the 301379-th square number.

90829301641 is the 150690-th centered octagonal number.

It is an amenable number.

90829301641 is a deficient number, since it is larger than the sum of its proper divisors (8966276300).

90829301641 is an frugal number, since it uses more digits than its factorization.

90829301641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698 (or 349 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 43.

The spelling of 90829301641 in words is "ninety billion, eight hundred twenty-nine million, three hundred one thousand, six hundred forty-one".

Divisors: 1 13 97 169 239 1261 3107 9409 16393 23183 40391 57121 122317 301379 742573 1590121 2248751 3917927 5540737 9653449 29233763 72029581 380038919 537451489 936384553 6986869357 90829301641