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99141868914001 = 99570012
BaseRepresentation
bin10110100010101101000011…
…111000010000010101010001
3111000000212111022021122120221
4112202231003320100111101
5100443320021420222001
6550505051255233041
726611522635231334
oct2642550370202521
9430025438248527
1099141868914001
1129653915419151
12b152437378781
1343420659aa884
141a6a6c62cc61b
15b6dd92d971a1
hex5a2b43e10551

99141868914001 has 3 divisors (see below), whose sum is σ = 99141878871003. Its totient is φ = 99141858957000.

The previous prime is 99141868913947. The next prime is 99141868914007. The reversal of 99141868914001 is 10041986814199.

The square root of 99141868914001 is 9957001.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 9228234915601 + 89913633998400 = 3037801^2 + 9482280^2 .

It is not a de Polignac number, because 99141868914001 - 215 = 99141868881233 is a prime.

It is a super-2 number, since 2×991418689140012 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99141868914007) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 4978501 + ... + 14935501.

It is an arithmetic number, because the mean of its divisors is an integer number (33047292957001).

Almost surely, 299141868914001 is an apocalyptic number.

99141868914001 is the 9957001-st square number.

99141868914001 is the 4978501-st centered octagonal number.

It is an amenable number.

99141868914001 is a deficient number, since it is larger than the sum of its proper divisors (9957002).

99141868914001 is an frugal number, since it uses more digits than its factorization.

99141868914001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19914002 (or 9957001 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 61.

The spelling of 99141868914001 in words is "ninety-nine trillion, one hundred forty-one billion, eight hundred sixty-eight million, nine hundred fourteen thousand, one".

Divisors: 1 9957001 99141868914001