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194073570930 = 23519418304389
BaseRepresentation
bin1011010010111110101…
…1111010111001110010
3200112221022122220011110
42310233223322321302
511134430313232210
6225053422054150
720010216064101
oct2645753727162
9615838586143
10194073570930
1175340520338
1231742a1a356
13153bb572405
149570d84038
1550ad020420
hex2d2fafae72

194073570930 has 64 divisors (see below), whose sum is σ = 502249507200. Its totient is φ = 47833274880.

The previous prime is 194073570923. The next prime is 194073570931. The reversal of 194073570930 is 39075370491.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 194073570930.

It is not an unprimeable number, because it can be changed into a prime (194073570931) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4128825 + ... + 4175564.

It is an arithmetic number, because the mean of its divisors is an integer number (7847648550).

Almost surely, 2194073570930 is an apocalyptic number.

194073570930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

194073570930 is an abundant number, since it is smaller than the sum of its proper divisors (308175936270).

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

194073570930 is a wasteful number, since it uses less digits than its factorization.

194073570930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8304459.

The product of its (nonzero) digits is 714420, while the sum is 48.

The spelling of 194073570930 in words is "one hundred ninety-four billion, seventy-three million, five hundred seventy thousand, nine hundred thirty".

Divisors: 1 2 3 5 6 10 15 19 30 38 41 57 82 95 114 123 190 205 246 285 410 570 615 779 1230 1558 2337 3895 4674 7790 11685 23370 8304389 16608778 24913167 41521945 49826334 83043890 124565835 157783391 249131670 315566782 340479949 473350173 680959898 788916955 946700346 1021439847 1577833910 1702399745 2042879694 2366750865 3404799490 4733501730 5107199235 6469119031 10214398470 12938238062 19407357093 32345595155 38814714186 64691190310 97036785465 194073570930