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13002200121440 = 25581263750759
BaseRepresentation
bin1011110100110100111110…
…0001010000000001100000
31201000222221200102021111202
42331031033201100001200
53201012001212341230
643353043412500332
72511243432334535
oct275151741200140
951028850367452
1013002200121440
114163225002582
12155bab661a6a8
1373414373011a
1432d44a2d4d8c
1517833c8c9a45
hexbd34f850060

13002200121440 has 24 divisors (see below), whose sum is σ = 30717697787280. Its totient is φ = 5200880048512.

The previous prime is 13002200121341. The next prime is 13002200121479. The reversal of 13002200121440 is 4412100220031.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40631875220 + ... + 40631875539.

It is an arithmetic number, because the mean of its divisors is an integer number (1279904074470).

Almost surely, 213002200121440 is an apocalyptic number.

13002200121440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13002200121440 is an abundant number, since it is smaller than the sum of its proper divisors (17715497665840).

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

13002200121440 is an equidigital number, since it uses as much as digits as its factorization.

13002200121440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81263750774 (or 81263750766 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 13002200121440 its reverse (4412100220031), we get a palindrome (17414300341471).

The spelling of 13002200121440 in words is "thirteen trillion, two billion, two hundred million, one hundred twenty-one thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 81263750759 162527501518 325055003036 406318753795 650110006072 812637507590 1300220012144 1625275015180 2600440024288 3250550030360 6501100060720 13002200121440