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190489553160 = 233561139187217
BaseRepresentation
bin1011000101101000001…
…1111110100100001000
3200012200112200221001120
42301122003332210020
511110110311200120
6223302032115240
716522336325514
oct2613203764410
9605615627046
10190489553160
1173871428785
1230b02695b20
1314c69b99a3a
149310d95144
154e4d569140
hex2c5a0fe908

190489553160 has 128 divisors (see below), whose sum is σ = 585018806400. Its totient is φ = 49604751360.

The previous prime is 190489553143. The next prime is 190489553171. The reversal of 190489553160 is 61355984091.

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 31 ways as a sum of consecutive naturals, for example, 923872 + ... + 1111088.

It is an arithmetic number, because the mean of its divisors is an integer number (4570459425).

Almost surely, 2190489553160 is an apocalyptic number.

190489553160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 190489553160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (292509403200).

190489553160 is an abundant number, since it is smaller than the sum of its proper divisors (394529253240).

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

190489553160 is a wasteful number, since it uses less digits than its factorization.

190489553160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187431 (or 187427 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 51.

The spelling of 190489553160 in words is "one hundred ninety billion, four hundred eighty-nine million, five hundred fifty-three thousand, one hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 61 120 122 139 183 244 278 305 366 417 488 556 610 695 732 834 915 1112 1220 1390 1464 1668 1830 2085 2440 2780 3336 3660 4170 5560 7320 8340 8479 16680 16958 25437 33916 42395 50874 67832 84790 101748 127185 169580 187217 203496 254370 339160 374434 508740 561651 748868 936085 1017480 1123302 1497736 1872170 2246604 2808255 3744340 4493208 5616510 7488680 11233020 11420237 22466040 22840474 26023163 34260711 45680948 52046326 57101185 68521422 78069489 91361896 104092652 114202370 130115815 137042844 156138978 171303555 208185304 228404740 260231630 274085688 312277956 342607110 390347445 456809480 520463260 624555912 685214220 780694890 1040926520 1370428440 1561389780 1587412943 3122779560 3174825886 4762238829 6349651772 7937064715 9524477658 12699303544 15874129430 19048955316 23811194145 31748258860 38097910632 47622388290 63496517720 95244776580 190489553160