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12530405324100 = 2235241768017747
BaseRepresentation
bin1011011001010111011001…
…0110111011010101000100
31122100220011111021022112210
42312111312112323111010
53120244232230332400
642352215544543420
72432202060615546
oct266256626732504
948326144238483
1012530405324100
113aa112a158324
1214a4587481b70
136cb7c5b894a1
14314690dd9696
1516ae28043950
hexb65765bb544

12530405324100 has 36 divisors (see below), whose sum is σ = 36254639405264. Its totient is φ = 3341441419680.

The previous prime is 12530405324093. The next prime is 12530405324113. The reversal of 12530405324100 is 142350403521.

It is a super-2 number, since 2×125304053241002 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20884008574 + ... + 20884009173.

Almost surely, 212530405324100 is an apocalyptic number.

12530405324100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12530405324100 is an abundant number, since it is smaller than the sum of its proper divisors (23724234081164).

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

12530405324100 is a wasteful number, since it uses less digits than its factorization.

12530405324100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41768017764 (or 41768017757 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 12530405324100 its reverse (142350403521), we get a palindrome (12672755727621).

The spelling of 12530405324100 in words is "twelve trillion, five hundred thirty billion, four hundred five million, three hundred twenty-four thousand, one hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 300 41768017747 83536035494 125304053241 167072070988 208840088735 250608106482 417680177470 501216212964 626520266205 835360354940 1044200443675 1253040532410 2088400887350 2506081064820 3132601331025 4176801774700 6265202662050 12530405324100