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98019974660 = 2256197917607
BaseRepresentation
bin101101101001001110…
…0100001111000000100
3100101000011212122002212
41123102130201320010
53101221103142120
6113010232122552
710040012015606
oct1332234417004
9311004778085
1098019974660
113862a7a1823
1216bb6836458
13932153a10a
144a5c0c5176
15283a4c06c5
hex16d2721e04

98019974660 has 24 divisors (see below), whose sum is σ = 206174512320. Its totient is φ = 39144644064.

The previous prime is 98019974651. The next prime is 98019974669. The reversal of 98019974660 is 6647991089.

It is an interprime number because it is at equal distance from previous prime (98019974651) and next prime (98019974669).

It is a self number, because there is not a number n which added to its sum of digits gives 98019974660.

It is not an unprimeable number, because it can be changed into a prime (98019974669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3946424 + ... + 3971183.

It is an arithmetic number, because the mean of its divisors is an integer number (8590604680).

Almost surely, 298019974660 is an apocalyptic number.

It is an amenable number.

98019974660 is an abundant number, since it is smaller than the sum of its proper divisors (108154537660).

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

98019974660 is a wasteful number, since it uses less digits than its factorization.

98019974660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7918235 (or 7918233 counting only the distinct ones).

The product of its (nonzero) digits is 5878656, while the sum is 59.

The spelling of 98019974660 in words is "ninety-eight billion, nineteen million, nine hundred seventy-four thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 619 1238 2476 3095 6190 12380 7917607 15835214 31670428 39588035 79176070 158352140 4900998733 9801997466 19603994932 24504993665 49009987330 98019974660