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89622995642 = 2157285423553
BaseRepresentation
bin101001101110111110…
…0100110001010111010
322120022222110220100222
41103131330212022322
52432021441330032
6105101111500042
76321640615325
oct1233574461272
9276288426328
1089622995642
1135010932144
1215452687622
1385b39a278b
1444a2c017bc
1524e820ba12
hex14ddf262ba

89622995642 has 8 divisors (see below), whose sum is σ = 135290764596. Its totient is φ = 44526074112.

The previous prime is 89622995593. The next prime is 89622995647. The reversal of 89622995642 is 24659922698.

It is a Cunningham number, because it is equal to 2993712+1.

It can be written as a sum of positive squares in 2 ways, for example, as 89622995641 + 1 = 299371^2 + 1^2 .

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

It is not an unprimeable number, because it can be changed into a prime (89622995647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142711463 + ... + 142712090.

Almost surely, 289622995642 is an apocalyptic number.

89622995642 is a deficient number, since it is larger than the sum of its proper divisors (45667768954).

89622995642 is a wasteful number, since it uses less digits than its factorization.

89622995642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285423712.

The product of its digits is 33592320, while the sum is 62.

The spelling of 89622995642 in words is "eighty-nine billion, six hundred twenty-two million, nine hundred ninety-five thousand, six hundred forty-two".

Divisors: 1 2 157 314 285423553 570847106 44811497821 89622995642