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99489914261 = 612416767561
BaseRepresentation
bin101110010101000001…
…1111001110110010101
3100111210121211022011022
41130222003321312111
53112223404224021
6113412142050525
710121311214033
oct1345203716625
9314717738138
1099489914261
1139214510141
1217346b79a45
1394c6c35a6a
144b5b401553
1528c457d1ab
hex172a0f9d95

99489914261 has 8 divisors (see below), whose sum is σ = 101540500248. Its totient is φ = 97452864000.

The previous prime is 99489914221. The next prime is 99489914267. The reversal of 99489914261 is 16241998499.

It can be written as a sum of positive squares in 4 ways, for example, as 2765182225 + 96724732036 = 52585^2 + 311006^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 99489914261 - 218 = 99489652117 is a prime.

It is a super-2 number, since 2×994899142612 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 99489914194 and 99489914203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99489914267) 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, 3369080 + ... + 3398481.

It is an arithmetic number, because the mean of its divisors is an integer number (12692562531).

Almost surely, 299489914261 is an apocalyptic number.

It is an amenable number.

99489914261 is a deficient number, since it is larger than the sum of its proper divisors (2050585987).

99489914261 is a wasteful number, since it uses less digits than its factorization.

99489914261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6767863.

The product of its digits is 10077696, while the sum is 62.

The spelling of 99489914261 in words is "ninety-nine billion, four hundred eighty-nine million, nine hundred fourteen thousand, two hundred sixty-one".

Divisors: 1 61 241 14701 6767561 412821221 1630982201 99489914261