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101030266465 = 520206053293
BaseRepresentation
bin101111000010111011…
…1111000011001100001
3100122202222021022010221
41132011313320121201
53123402222011330
6114225045123041
710204424044552
oct1360567703141
9318688238127
10101030266465
1139934a51597
12176b69b9481
1396b10b5c7b
144c65c0a329
1529648e8b7a
hex1785df8661

101030266465 has 4 divisors (see below), whose sum is σ = 121236319764. Its totient is φ = 80824213168.

The previous prime is 101030266427. The next prime is 101030266471. The reversal of 101030266465 is 564662030101.

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 78028600896 + 23001665569 = 279336^2 + 151663^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-101030266465 is a prime.

It is a super-2 number, since 2×1010302664652 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101030266465.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10103026642 + ... + 10103026651.

It is an arithmetic number, because the mean of its divisors is an integer number (30309079941).

Almost surely, 2101030266465 is an apocalyptic number.

It is an amenable number.

101030266465 is a deficient number, since it is larger than the sum of its proper divisors (20206053299).

101030266465 is an equidigital number, since it uses as much as digits as its factorization.

101030266465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20206053298.

The product of its (nonzero) digits is 25920, while the sum is 34.

Adding to 101030266465 its reverse (564662030101), we get a palindrome (665692296566).

The spelling of 101030266465 in words is "one hundred one billion, thirty million, two hundred sixty-six thousand, four hundred sixty-five".

Divisors: 1 5 20206053293 101030266465