Search a number
-
+
640152363360 = 25356301211657
BaseRepresentation
bin10010101000011000000…
…11011110000101100000
32021012100022121110020010
421110030003132011200
540442013001111420
61210025410444520
764151400210606
oct11241403360540
92235308543203
10640152363360
1122753a358474
12a4095893740
134849b4585b3
1422daab93876
15119b9dee4e0
hex950c0de160

640152363360 has 96 divisors (see below), whose sum is σ = 2016809498592. Its totient is φ = 170679398400.

The previous prime is 640152363313. The next prime is 640152363371. The reversal of 640152363360 is 63363251046.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2918652 + ... + 3130308.

It is an arithmetic number, because the mean of its divisors is an integer number (21008432277).

Almost surely, 2640152363360 is an apocalyptic number.

640152363360 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

640152363360 is an abundant number, since it is smaller than the sum of its proper divisors (1376657135232).

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

640152363360 is a wasteful number, since it uses less digits than its factorization.

640152363360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217976 (or 217968 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 39.

The spelling of 640152363360 in words is "six hundred forty billion, one hundred fifty-two million, three hundred sixty-three thousand, three hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 240 480 6301 12602 18903 25204 31505 37806 50408 63010 75612 94515 100816 126020 151224 189030 201632 211657 252040 302448 378060 423314 504080 604896 634971 756120 846628 1008160 1058285 1269942 1512240 1693256 2116570 2539884 3024480 3174855 3386512 4233140 5079768 6349710 6773024 8466280 10159536 12699420 16932560 20319072 25398840 33865120 50797680 101595360 1333650757 2667301514 4000952271 5334603028 6668253785 8001904542 10669206056 13336507570 16003809084 20004761355 21338412112 26673015140 32007618168 40009522710 42676824224 53346030280 64015236336 80019045420 106692060560 128030472672 160038090840 213384121120 320076181680 640152363360