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129419363519 = 1373735694451
BaseRepresentation
bin111100010000111111…
…1101100010010111111
3110101001110100212002222
41320201333230102333
54110022324113034
6135242054035555
712231063303425
oct1704177542277
9411043325088
10129419363519
114a982947376
12210ba348bbb
13c2867c8754
14639a323115
153576dbd12e
hex1e21fec4bf

129419363519 has 16 divisors (see below), whose sum is σ = 130972675680. Its totient is φ = 127876339200.

The previous prime is 129419363503. The next prime is 129419363543. The reversal of 129419363519 is 915363914921.

It is a cyclic number.

It is not a de Polignac number, because 129419363519 - 24 = 129419363503 is a prime.

It is a super-2 number, since 2×1294193635192 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129419363119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29074244 + ... + 29078694.

It is an arithmetic number, because the mean of its divisors is an integer number (8185792230).

Almost surely, 2129419363519 is an apocalyptic number.

129419363519 is a deficient number, since it is larger than the sum of its proper divisors (1553312161).

129419363519 is a wasteful number, since it uses less digits than its factorization.

129419363519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5530.

The product of its digits is 1574640, while the sum is 53.

The spelling of 129419363519 in words is "one hundred twenty-nine billion, four hundred nineteen million, three hundred sixty-three thousand, five hundred nineteen".

Divisors: 1 137 373 569 4451 51101 77953 212237 609787 1660223 2532619 29076469 227450551 346968803 944666887 129419363519