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99893607541 = 71310871009873
BaseRepresentation
bin101110100001000011…
…1110111110001110101
3100112211202110001020021
41131002013313301311
53114040230420131
6113520202405141
710134312440260
oct1350207676165
9315752401207
1099893607541
1139401378952
121743a2007b1
13955c76b420
144b98c87cd7
1528e9c20e11
hex17421f7c75

99893607541 has 16 divisors (see below), whose sum is σ = 123059206144. Its totient is φ = 78963911424.

The previous prime is 99893607511. The next prime is 99893607551. The reversal of 99893607541 is 14570639899.

It is a cyclic number.

It is not a de Polignac number, because 99893607541 - 217 = 99893476469 is a prime.

It is the 316060-th Hogben number.

It is a self number, because there is not a number n which added to its sum of digits gives 99893607541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99893607511) by changing a digit.

It is a nontrivial repunit in base 316059.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 406020 + ... + 603853.

It is an arithmetic number, because the mean of its divisors is an integer number (7691200384).

Almost surely, 299893607541 is an apocalyptic number.

99893607541 is a gapful number since it is divisible by the number (91) formed by its first and last digit.

It is an amenable number.

99893607541 is a deficient number, since it is larger than the sum of its proper divisors (23165598603).

99893607541 is a wasteful number, since it uses less digits than its factorization.

99893607541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010980.

The product of its (nonzero) digits is 14696640, while the sum is 61.

The spelling of 99893607541 in words is "ninety-nine billion, eight hundred ninety-three million, six hundred seven thousand, five hundred forty-one".

Divisors: 1 7 13 91 1087 7609 14131 98917 1009873 7069111 13128349 91898443 1097731951 7684123657 14270515363 99893607541