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189495645196 = 221113536250681
BaseRepresentation
bin1011000001111011010…
…0100001010000001100
3200010010021111011122111
42300132310201100030
511101041341121241
6223015245153404
716455610256614
oct2603664412014
9603107434574
10189495645196
1173401395a40
123088585b864
1314b3bcb3710
149258d91a44
154de118cc81
hex2c1ed2140c

189495645196 has 48 divisors (see below), whose sum is σ = 396943309728. Its totient is φ = 78008486400.

The previous prime is 189495645193. The next prime is 189495645211. The reversal of 189495645196 is 691546594981.

It is not an unprimeable number, because it can be changed into a prime (189495645193) 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, 3095025 + ... + 3155656.

It is an arithmetic number, because the mean of its divisors is an integer number (8269652286).

Almost surely, 2189495645196 is an apocalyptic number.

It is an amenable number.

189495645196 is an abundant number, since it is smaller than the sum of its proper divisors (207447664532).

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

189495645196 is a wasteful number, since it uses less digits than its factorization.

189495645196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6250762 (or 6250760 counting only the distinct ones).

The product of its digits is 83980800, while the sum is 67.

The spelling of 189495645196 in words is "one hundred eighty-nine billion, four hundred ninety-five million, six hundred forty-five thousand, one hundred ninety-six".

Divisors: 1 2 4 11 13 22 26 44 52 53 106 143 212 286 572 583 689 1166 1378 2332 2756 7579 15158 30316 6250681 12501362 25002724 68757491 81258853 137514982 162517706 275029964 325035412 331286093 662572186 893847383 1325144372 1787694766 3575389532 3644147023 4306719209 7288294046 8613438418 14576588092 17226876836 47373911299 94747822598 189495645196