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198980156230 = 2519898015623
BaseRepresentation
bin1011100101010000100…
…1000011101101000110
3201000121021021020211221
42321110021003231012
511230002404444410
6231224335150554
720242625264362
oct2712411035506
9630537236757
10198980156230
1177429124509
123269207545a
13159c0c54a1b
1498b888a2a2
155298b734da
hex2e54243b46

198980156230 has 8 divisors (see below), whose sum is σ = 358164281232. Its totient is φ = 79592062488.

The previous prime is 198980156129. The next prime is 198980156251. The reversal of 198980156230 is 32651089891.

198980156230 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9949007802 + ... + 9949007821.

It is an arithmetic number, because the mean of its divisors is an integer number (44770535154).

Almost surely, 2198980156230 is an apocalyptic number.

198980156230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

198980156230 is a deficient number, since it is larger than the sum of its proper divisors (159184125002).

198980156230 is a wasteful number, since it uses less digits than its factorization.

198980156230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19898015630.

The product of its (nonzero) digits is 933120, while the sum is 52.

The spelling of 198980156230 in words is "one hundred ninety-eight billion, nine hundred eighty million, one hundred fifty-six thousand, two hundred thirty".

Divisors: 1 2 5 10 19898015623 39796031246 99490078115 198980156230