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122401025430445 = 5197124265000437
BaseRepresentation
bin11011110101001010110101…
…101001000001001110101101
3121001101102102220201112000201
4123311022311221001032231
5112020404300002233240
61112154131012353501
734532116341461326
oct3365126551011655
9531342386645021
10122401025430445
1136000a8a95a473
121188a17b915891
13533b4a08a1648
142232353d6d44d
15e23de9082d9a
hex6f52b5a413ad

122401025430445 has 8 divisors (see below), whose sum is σ = 147626820520344. Its totient is φ = 97423760341824.

The previous prime is 122401025430413. The next prime is 122401025430457. The reversal of 122401025430445 is 544034520104221.

It can be written as a sum of positive squares in 4 ways, for example, as 58509235651689 + 63891789778756 = 7649133^2 + 7993234^2 .

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 122401025430445 - 25 = 122401025430413 is a prime.

It is a super-2 number, since 2×1224010254304452 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62132499234 + ... + 62132501203.

It is an arithmetic number, because the mean of its divisors is an integer number (18453352565043).

Almost surely, 2122401025430445 is an apocalyptic number.

It is an amenable number.

122401025430445 is a deficient number, since it is larger than the sum of its proper divisors (25225795089899).

122401025430445 is a wasteful number, since it uses less digits than its factorization.

122401025430445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124265000639.

The product of its (nonzero) digits is 153600, while the sum is 37.

Adding to 122401025430445 its reverse (544034520104221), we get a palindrome (666435545534666).

The spelling of 122401025430445 in words is "one hundred twenty-two trillion, four hundred one billion, twenty-five million, four hundred thirty thousand, four hundred forty-five".

Divisors: 1 5 197 985 124265000437 621325002185 24480205086089 122401025430445