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101105445521 = 597823219053
BaseRepresentation
bin101111000101001011…
…0101010101010010001
3100122222012201210102102
41132022112222222101
53124030443224041
6114240332330145
710206326051513
oct1361226525221
9318865653372
10101105445521
113997342a743
1217718013955
1396c3848c12
144c71bb9bb3
15296b2e909b
hex178a5aaa91

101105445521 has 8 divisors (see below), whose sum is σ = 102832709760. Its totient is φ = 99378635152.

The previous prime is 101105445487. The next prime is 101105445527. The reversal of 101105445521 is 125544501101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 101105445521 - 26 = 101105445457 is a prime.

It is a super-2 number, since 2×1011054455212 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101105445527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 352031 + ... + 571083.

It is an arithmetic number, because the mean of its divisors is an integer number (12854088720).

Almost surely, 2101105445521 is an apocalyptic number.

It is an amenable number.

101105445521 is a deficient number, since it is larger than the sum of its proper divisors (1727264239).

101105445521 is an equidigital number, since it uses as much as digits as its factorization.

101105445521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226935.

The product of its (nonzero) digits is 4000, while the sum is 29.

Adding to 101105445521 its reverse (125544501101), we get a palindrome (226649946622).

The spelling of 101105445521 in words is "one hundred one billion, one hundred five million, four hundred forty-five thousand, five hundred twenty-one".

Divisors: 1 59 7823 219053 461557 12924127 1713651619 101105445521