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101302530440 = 23512723983437
BaseRepresentation
bin101111001011000011…
…0011111000110001000
3100200110221120202002212
41132112012133012020
53124431421433230
6114312052444252
710214241205226
oct1362606370610
9320427522085
10101302530440
1139a64701541
1217772019688
139725622407
144c9003db16
15297d779895
hex179619f188

101302530440 has 64 divisors (see below), whose sum is σ = 230689382400. Its totient is φ = 40033260288.

The previous prime is 101302530367. The next prime is 101302530457. The reversal of 101302530440 is 44035203101.

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, 1172402 + ... + 1255838.

It is an arithmetic number, because the mean of its divisors is an integer number (3604521600).

Almost surely, 2101302530440 is an apocalyptic number.

101302530440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101302530440 is an abundant number, since it is smaller than the sum of its proper divisors (129386851960).

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

101302530440 is a wasteful number, since it uses less digits than its factorization.

101302530440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83814 (or 83810 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 101302530440 its reverse (44035203101), we get a palindrome (145337733541).

The spelling of 101302530440 in words is "one hundred one billion, three hundred two million, five hundred thirty thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 127 239 254 478 508 635 956 1016 1195 1270 1912 2390 2540 4780 5080 9560 30353 60706 83437 121412 151765 166874 242824 303530 333748 417185 607060 667496 834370 1214120 1668740 3337480 10596499 19941443 21192998 39882886 42385996 52982495 79765772 84771992 99707215 105964990 159531544 199414430 211929980 398828860 423859960 797657720 2532563261 5065126522 10130253044 12662816305 20260506088 25325632610 50651265220 101302530440