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105539401379 is a prime number
BaseRepresentation
bin110001001001010100…
…0110111011010100011
3101002102020000002101202
41202102220313122203
53212121041321004
6120252323351415
710424236052516
oct1422250673243
9332366002352
10105539401379
1140839271375
1218554b2256b
139c4c33a639
145172a12d7d
152b2a6ddb1e
hex1892a376a3

105539401379 has 2 divisors, whose sum is σ = 105539401380. Its totient is φ = 105539401378.

The previous prime is 105539401291. The next prime is 105539401439. The reversal of 105539401379 is 973104935501.

It is a strong prime.

It is an emirp because it is prime and its reverse (973104935501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 105539401379 - 216 = 105539335843 is a prime.

It is a super-2 number, since 2×1055394013792 (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105539301379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52769700689 + 52769700690.

It is an arithmetic number, because the mean of its divisors is an integer number (52769700690).

Almost surely, 2105539401379 is an apocalyptic number.

105539401379 is a deficient number, since it is larger than the sum of its proper divisors (1).

105539401379 is an equidigital number, since it uses as much as digits as its factorization.

105539401379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 510300, while the sum is 47.

The spelling of 105539401379 in words is "one hundred five billion, five hundred thirty-nine million, four hundred one thousand, three hundred seventy-nine".