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198164201630 = 2543147995987
BaseRepresentation
bin1011100010001110000…
…0011100000010011110
3200221111101220110120012
42320203200130002132
511221320013423010
6231011350323222
720213456631113
oct2704340340236
9627441813505
10198164201630
117704a58676a
12324a4959512
13158c0ba6b55
14983c36a90a
15524c1e9005
hex2e2381c09e

198164201630 has 32 divisors (see below), whose sum is σ = 358273290240. Its totient is φ = 78915849760.

The previous prime is 198164201629. The next prime is 198164201647. The reversal of 198164201630 is 36102461891.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2016497 + ... + 2112483.

It is an arithmetic number, because the mean of its divisors is an integer number (11196040320).

Almost surely, 2198164201630 is an apocalyptic number.

198164201630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

198164201630 is a deficient number, since it is larger than the sum of its proper divisors (160109088610).

198164201630 is a wasteful number, since it uses less digits than its factorization.

198164201630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96904.

The product of its (nonzero) digits is 62208, while the sum is 41.

The spelling of 198164201630 in words is "one hundred ninety-eight billion, one hundred sixty-four million, two hundred one thousand, six hundred thirty".

Divisors: 1 2 5 10 431 479 862 958 2155 2395 4310 4790 95987 191974 206449 412898 479935 959870 1032245 2064490 41370397 45977773 82740794 91955546 206851985 229888865 413703970 459777730 19816420163 39632840326 99082100815 198164201630