Search a number
-
+
290009915888 = 24721133628237
BaseRepresentation
bin1000011100001011111…
…00000010000111110000
31000201120021211011122212
410032011330002013300
514222420014302023
6341121222551252
726644500416600
oct4160574020760
91021507734585
10290009915888
11101aa1045240
1248257898528
132146a203934
1410072440c00
15782560de78
hex4385f021f0

290009915888 has 60 divisors (see below), whose sum is σ = 713053158552. Its totient is φ = 112990872960.

The previous prime is 290009915851. The next prime is 290009915933. The reversal of 290009915888 is 888519900092.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16805495 + ... + 16822742.

Almost surely, 2290009915888 is an apocalyptic number.

290009915888 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

290009915888 is an abundant number, since it is smaller than the sum of its proper divisors (423043242664).

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

290009915888 is a wasteful number, since it uses less digits than its factorization.

290009915888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33628270 (or 33628257 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 59.

The spelling of 290009915888 in words is "two hundred ninety billion, nine million, nine hundred fifteen thousand, eight hundred eighty-eight".

Divisors: 1 2 4 7 8 11 14 16 22 28 44 49 56 77 88 98 112 154 176 196 308 392 539 616 784 1078 1232 2156 4312 8624 33628237 67256474 134512948 235397659 269025896 369910607 470795318 538051792 739821214 941590636 1479642428 1647783613 1883181272 2589374249 2959284856 3295567226 3766362544 5178748498 5918569712 6591134452 10357496996 13182268904 18125619743 20714993992 26364537808 36251239486 41429987984 72502478972 145004957944 290009915888