Search a number
-
+
193090449230 = 25737439169823
BaseRepresentation
bin1011001111010100010…
…1100110111101001110
3200110101210202010201122
42303311011212331032
511130422123333410
6224412102240542
716643650511060
oct2636505467516
9613353663648
10193090449230
1174986585468
1231509726152
13152929947b3
1494ba58b730
155051a74e55
hex2cf5166f4e

193090449230 has 64 divisors (see below), whose sum is σ = 408881848320. Its totient is φ = 64266079104.

The previous prime is 193090449217. The next prime is 193090449259. The reversal of 193090449230 is 32944090391.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1052099 + ... + 1221921.

It is an arithmetic number, because the mean of its divisors is an integer number (6388778880).

Almost surely, 2193090449230 is an apocalyptic number.

193090449230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

193090449230 is an abundant number, since it is smaller than the sum of its proper divisors (215791399090).

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

193090449230 is a wasteful number, since it uses less digits than its factorization.

193090449230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170313.

The product of its (nonzero) digits is 209952, while the sum is 44.

The spelling of 193090449230 in words is "one hundred ninety-three billion, ninety million, four hundred forty-nine thousand, two hundred thirty".

Divisors: 1 2 5 7 10 14 35 37 70 74 185 259 370 439 518 878 1295 2195 2590 3073 4390 6146 15365 16243 30730 32486 81215 113701 162430 169823 227402 339646 568505 849115 1137010 1188761 1698230 2377522 5943805 6283451 11887610 12566902 31417255 43984157 62834510 74552297 87968314 149104594 219920785 372761485 439841570 521866079 745522970 1043732158 2609330395 2758434989 5218660790 5516869978 13792174945 19309044923 27584349890 38618089846 96545224615 193090449230