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105560626121 is a prime number
BaseRepresentation
bin110001001001111100…
…1110101001111001001
3101002110200221102021022
41202103321311033021
53212142010013441
6120254402322225
710424614342316
oct1422371651711
9332420842238
10105560626121
114084a248885
1218560059375
139c5385c362
145175779d0d
152b2c4d284b
hex1893e753c9

105560626121 has 2 divisors, whose sum is σ = 105560626122. Its totient is φ = 105560626120.

The previous prime is 105560626109. The next prime is 105560626207. The reversal of 105560626121 is 121626065501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72049296400 + 33511329721 = 268420^2 + 183061^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-105560626121 is a prime.

It is a super-2 number, since 2×1055606261212 (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105560626621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52780313060 + 52780313061.

It is an arithmetic number, because the mean of its divisors is an integer number (52780313061).

Almost surely, 2105560626121 is an apocalyptic number.

It is an amenable number.

105560626121 is a deficient number, since it is larger than the sum of its proper divisors (1).

105560626121 is an equidigital number, since it uses as much as digits as its factorization.

105560626121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 35.

The spelling of 105560626121 in words is "one hundred five billion, five hundred sixty million, six hundred twenty-six thousand, one hundred twenty-one".