Search a number
-
+
380011621872 = 243174211106177
BaseRepresentation
bin1011000011110100111…
…01010010110111110000
31100022212122220112221210
411201322131102313300
522211230433344442
6450324103520120
736312020330061
oct5417235226760
91308778815853
10380011621872
11137186721033
1261795159040
1329ab14a256c
141456d664568
159d41bc619c
hex587a752df0

380011621872 has 80 divisors (see below), whose sum is σ = 1041913482912. Its totient is φ = 118936043520.

The previous prime is 380011621849. The next prime is 380011621877. The reversal of 380011621872 is 278126110083.

It is a self number, because there is not a number n which added to its sum of digits gives 380011621872.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380011621877) 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, 209553 + ... + 896624.

Almost surely, 2380011621872 is an apocalyptic number.

It is an amenable number.

380011621872 is an abundant number, since it is smaller than the sum of its proper divisors (661901861040).

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

380011621872 is a wasteful number, since it uses less digits than its factorization.

380011621872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1106626 (or 1106620 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 39.

The spelling of 380011621872 in words is "three hundred eighty billion, eleven million, six hundred twenty-one thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 17 24 34 48 51 68 102 136 204 272 408 421 816 842 1263 1684 2526 3368 5052 6736 7157 10104 14314 20208 21471 28628 42942 57256 85884 114512 171768 343536 1106177 2212354 3318531 4424708 6637062 8849416 13274124 17698832 18805009 26548248 37610018 53096496 56415027 75220036 112830054 150440072 225660108 300880144 451320216 465700517 902640432 931401034 1397101551 1862802068 2794203102 3725604136 5588406204 7451208272 7916908789 11176812408 15833817578 22353624816 23750726367 31667635156 47501452734 63335270312 95002905468 126670540624 190005810936 380011621872