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198468484508 = 2278979642249
BaseRepresentation
bin1011100011010110100…
…1001011110110011100
3200222021121110122012102
42320311221023312130
511222430413001013
6231101500224232
720224143166160
oct2706551136634
9628247418172
10198468484508
1177196315a18
123256a83b078
131593bc441a8
14986a936ca0
155268ca1d58
hex2e35a4bd9c

198468484508 has 24 divisors (see below), whose sum is σ = 401396940000. Its totient is φ = 84102213888.

The previous prime is 198468484421. The next prime is 198468484531. The reversal of 198468484508 is 805484864891.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39818633 + ... + 39823616.

It is an arithmetic number, because the mean of its divisors is an integer number (16724872500).

Almost surely, 2198468484508 is an apocalyptic number.

It is an amenable number.

198468484508 is an abundant number, since it is smaller than the sum of its proper divisors (202928455492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

198468484508 is a wasteful number, since it uses less digits than its factorization.

198468484508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79642349 (or 79642347 counting only the distinct ones).

The product of its (nonzero) digits is 70778880, while the sum is 65.

The spelling of 198468484508 in words is "one hundred ninety-eight billion, four hundred sixty-eight million, four hundred eighty-four thousand, five hundred eight".

Divisors: 1 2 4 7 14 28 89 178 356 623 1246 2492 79642249 159284498 318568996 557495743 1114991486 2229982972 7088160161 14176320322 28352640644 49617121127 99234242254 198468484508