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2531430452300 = 2252197789171053
BaseRepresentation
bin100100110101100101000…
…000110100110001001100
322222000001201222222020112
4210311211000310301030
5312433332143433200
65214531215535152
7350614130550221
oct44654500646114
98860051888215
102531430452300
118966345502a2
1234a736b2a4b8
131549362287c9
148a7440b9948
1545cad0e7535
hex24d65034c4c

2531430452300 has 72 divisors (see below), whose sum is σ = 5783096264400. Its totient is φ = 959150142720.

The previous prime is 2531430452269. The next prime is 2531430452321. The reversal of 2531430452300 is 32540341352.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14713574 + ... + 14884626.

It is an arithmetic number, because the mean of its divisors is an integer number (80320781450).

Almost surely, 22531430452300 is an apocalyptic number.

2531430452300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2531430452300 is an abundant number, since it is smaller than the sum of its proper divisors (3251665812100).

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

2531430452300 is a wasteful number, since it uses less digits than its factorization.

2531430452300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178875 (or 178868 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 32.

Adding to 2531430452300 its reverse (32540341352), we get a palindrome (2563970793652).

The spelling of 2531430452300 in words is "two trillion, five hundred thirty-one billion, four hundred thirty million, four hundred fifty-two thousand, three hundred".

Divisors: 1 2 4 5 10 19 20 25 38 50 76 95 100 190 380 475 950 1900 7789 15578 31156 38945 77890 147991 155780 171053 194725 295982 342106 389450 591964 684212 739955 778900 855265 1479910 1710530 2959820 3250007 3421060 3699775 4276325 6500014 7399550 8552650 13000028 14799100 16250035 17105300 32500070 65000140 81250175 162500350 325000700 1332331817 2664663634 5329327268 6661659085 13323318170 25314304523 26646636340 33308295425 50628609046 66616590850 101257218092 126571522615 133233181700 253143045230 506286090460 632857613075 1265715226150 2531430452300