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13400525345340 = 22357311576555581
BaseRepresentation
bin1100001100000000110110…
…0011011001001000111100
31202110002002122121012121010
43003000031203121020330
53224023233442022330
644300041044435220
72552104340020440
oct303001543311074
952402078535533
1013400525345340
1142a714922a8a1
1216051409a8b10
137628830b3c93
14344835c9a820
151838a22533b0
hexc300d8d923c

13400525345340 has 192 divisors, whose sum is σ = 44546910363648. Its totient is φ = 2945290982400.

The previous prime is 13400525345329. The next prime is 13400525345353. The reversal of 13400525345340 is 4354352500431.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1233651 + ... + 5321930.

It is an arithmetic number, because the mean of its divisors is an integer number (232015158144).

Almost surely, 213400525345340 is an apocalyptic number.

13400525345340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13400525345340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22273455181824).

13400525345340 is an abundant number, since it is smaller than the sum of its proper divisors (31146385018308).

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

13400525345340 is a wasteful number, since it uses less digits than its factorization.

13400525345340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6555788 (or 6555786 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 39.

Adding to 13400525345340 its reverse (4354352500431), we get a palindrome (17754877845771).

The spelling of 13400525345340 in words is "thirteen trillion, four hundred billion, five hundred twenty-five million, three hundred forty-five thousand, three hundred forty".