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153981201910989 = 31301260915121507
BaseRepresentation
bin100011000000101110001010…
…110101111000110011001101
3202012012110101201020122000210
4203000232022311320303031
5130140312000142122424
61303253553153513033
744301526504510335
oct4300561265706315
9665173351218023
10153981201910989
1145077074219382
121532a708b72779
1367bc498c9cc4b
142a04a30d400c5
1512c060ee35729
hex8c0b8ad78ccd

153981201910989 has 16 divisors (see below), whose sum is σ = 205544843663040. Its totient is φ = 102535907884800.

The previous prime is 153981201910979. The next prime is 153981201910997. The reversal of 153981201910989 is 989019102189351.

It is not a de Polignac number, because 153981201910989 - 25 = 153981201910957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153981201910979) 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, 2622174 + ... + 17743680.

It is an arithmetic number, because the mean of its divisors is an integer number (12846552728940).

Almost surely, 2153981201910989 is an apocalyptic number.

It is an amenable number.

153981201910989 is a deficient number, since it is larger than the sum of its proper divisors (51563641752051).

153981201910989 is a wasteful number, since it uses less digits than its factorization.

153981201910989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15125420.

The product of its (nonzero) digits is 12597120, while the sum is 66.

The spelling of 153981201910989 in words is "one hundred fifty-three trillion, nine hundred eighty-one billion, two hundred one million, nine hundred ten thousand, nine hundred eighty-nine".

Divisors: 1 3 1301 2609 3903 7827 3394309 10182927 15121507 45364521 19673080607 39452011763 59019241821 118356035289 51327067303663 153981201910989