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122401303441 = 1723561305593
BaseRepresentation
bin111000111111110101…
…1111010101110010001
3102200221100122110112221
41301333223322232101
54001134213202231
6132121432421041
711562134625034
oct1617753725621
9380840573487
10122401303441
1147a01387a1a
121b87bb47781
13b70883b391
145cd222501b
1532b5bd7d11
hex1c7fafab91

122401303441 has 8 divisors (see below), whose sum is σ = 129607304904. Its totient is φ = 115195960320.

The previous prime is 122401303411. The next prime is 122401303459. The reversal of 122401303441 is 144303104221.

It can be written as a sum of positive squares in 4 ways, for example, as 167159041 + 122234144400 = 12929^2 + 349620^2 .

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

It is not a de Polignac number, because 122401303441 - 219 = 122400779153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122401303411) 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, 247741 + ... + 553333.

It is an arithmetic number, because the mean of its divisors is an integer number (16200913113).

Almost surely, 2122401303441 is an apocalyptic number.

It is an amenable number.

122401303441 is a deficient number, since it is larger than the sum of its proper divisors (7206001463).

122401303441 is a wasteful number, since it uses less digits than its factorization.

122401303441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329171.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 122401303441 its reverse (144303104221), we get a palindrome (266704407662).

The spelling of 122401303441 in words is "one hundred twenty-two billion, four hundred one million, three hundred three thousand, four hundred forty-one".

Divisors: 1 17 23561 305593 400537 5195081 7200076673 122401303441