Search a number
-
+
464180830464 = 2831361975109
BaseRepresentation
bin1101100000100110101…
…01010110000100000000
31122101010120010100221210
412300103111112010000
530101120243033324
6553124114050120
745351555646551
oct6602325260400
91571116110853
10464180830464
11169948a8324a
1275b65279940
1334a062c1ac0
1418675ddc328
15c11b1e0d29
hex6c13556100

464180830464 has 144 divisors (see below), whose sum is σ = 1332595611200. Its totient is φ = 142592237568.

The previous prime is 464180830423. The next prime is 464180830469. The reversal of 464180830464 is 464038081464.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (464180830469) 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, 6142542 + ... + 6217650.

Almost surely, 2464180830464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 464180830464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (666297805600).

464180830464 is an abundant number, since it is smaller than the sum of its proper divisors (868414780736).

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

464180830464 is a wasteful number, since it uses less digits than its factorization.

464180830464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75760 (or 75746 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 48.

The spelling of 464180830464 in words is "four hundred sixty-four billion, one hundred eighty million, eight hundred thirty thousand, four hundred sixty-four".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 64 78 96 104 128 156 192 208 256 312 384 416 619 624 768 832 1238 1248 1664 1857 2476 2496 3328 3714 4952 4992 7428 8047 9904 9984 14856 16094 19808 24141 29712 32188 39616 48282 59424 64376 75109 79232 96564 118848 128752 150218 158464 193128 225327 237696 257504 300436 386256 450654 475392 515008 600872 772512 901308 976417 1030016 1201744 1545024 1802616 1952834 2060032 2403488 2929251 3090048 3605232 3905668 4806976 5858502 6180096 7210464 7811336 9613952 11717004 14420928 15622672 19227904 23434008 28841856 31245344 46492471 46868016 57683712 62490688 92984942 93736032 124981376 139477413 185969884 187472064 249962752 278954826 371939768 374944128 557909652 604402123 743879536 749888256 1115819304 1208804246 1487759072 1813206369 2231638608 2417608492 2975518144 3626412738 4463277216 4835216984 5951036288 7252825476 8926554432 9670433968 11902072576 14505650952 17853108864 19340867936 29011301904 35706217728 38681735872 58022603808 77363471744 116045207616 154726943488 232090415232 464180830464