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101545122445 = 5131562232653
BaseRepresentation
bin101111010010010001…
…1111001101010001101
3100201002212001200202221
41132210203321222031
53130431022404240
6114352120215341
710223245204444
oct1364443715215
9321085050687
10101545122445
113a0796354a8
121781b30a551
13976396cc90
144cb434bd5b
152994be8a4a
hex17a48f9a8d

101545122445 has 8 divisors (see below), whose sum is σ = 131227542936. Its totient is φ = 74987167296.

The previous prime is 101545122443. The next prime is 101545122499. The reversal of 101545122445 is 544221545101.

It can be written as a sum of positive squares in 4 ways, for example, as 93954249 + 101451168196 = 9693^2 + 318514^2 .

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 101545122445 - 21 = 101545122443 is a prime.

It is a super-3 number, since 3×1015451224453 (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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 101545122445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101545122443) 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, 781116262 + ... + 781116391.

It is an arithmetic number, because the mean of its divisors is an integer number (16403442867).

Almost surely, 2101545122445 is an apocalyptic number.

It is an amenable number.

101545122445 is a deficient number, since it is larger than the sum of its proper divisors (29682420491).

101545122445 is a wasteful number, since it uses less digits than its factorization.

101545122445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1562232671.

The product of its (nonzero) digits is 32000, while the sum is 34.

Adding to 101545122445 its reverse (544221545101), we get a palindrome (645766667546).

The spelling of 101545122445 in words is "one hundred one billion, five hundred forty-five million, one hundred twenty-two thousand, four hundred forty-five".

Divisors: 1 5 13 65 1562232653 7811163265 20309024489 101545122445