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89999923433 = 7151367232007
BaseRepresentation
bin101001111010001101…
…0011101100011101001
322121022020201211002112
41103310122131203221
52433304440022213
6105202334412105
76334165504220
oct1236432354351
9277266654075
1089999923433
1135194679612
1215538961035
138643ac6484
1444dacbbcb7
15251b363ea8
hex14f469d8e9

89999923433 has 16 divisors (see below), whose sum is σ = 103820795904. Its totient is φ = 76422776400.

The previous prime is 89999923421. The next prime is 89999923487. The reversal of 89999923433 is 33432999998.

It is a cyclic number.

It is not a de Polignac number, because 89999923433 - 24 = 89999923417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (89999920433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 271916 + ... + 503922.

It is an arithmetic number, because the mean of its divisors is an integer number (6488799744).

Almost surely, 289999923433 is an apocalyptic number.

It is an amenable number.

89999923433 is a deficient number, since it is larger than the sum of its proper divisors (13820872471).

89999923433 is a wasteful number, since it uses less digits than its factorization.

89999923433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232532.

The product of its digits is 102036672, while the sum is 68.

The spelling of 89999923433 in words is "eighty-nine billion, nine hundred ninety-nine million, nine hundred twenty-three thousand, four hundred thirty-three".

Divisors: 1 7 151 367 1057 2569 55417 232007 387919 1624049 35033057 85146569 245231399 596025983 12857131919 89999923433