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13103213204400 = 24352116689148403
BaseRepresentation
bin1011111010101101010001…
…0111100101001110110000
31201101122200110100120022120
42332223110113211032300
53204140340040020100
643511311045434240
72521450560353634
oct276532427451660
951348613316276
1013103213204400
1141a2050287920
1215775a770b980
137408210aa927
143342adb0adc4
1517aca0a2c0a0
hexbead45e53b0

13103213204400 has 240 divisors, whose sum is σ = 45796928273280. Its totient is φ = 3176040243200.

The previous prime is 13103213204387. The next prime is 13103213204443. The reversal of 13103213204400 is 440231230131.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 88220599 + ... + 88369001.

It is an arithmetic number, because the mean of its divisors is an integer number (190820534472).

Almost surely, 213103213204400 is an apocalyptic number.

13103213204400 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 13103213204400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22898464136640).

13103213204400 is an abundant number, since it is smaller than the sum of its proper divisors (32693715068880).

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

13103213204400 is a wasteful number, since it uses less digits than its factorization.

13103213204400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155124 (or 155113 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 13103213204400 its reverse (440231230131), we get a palindrome (13543444434531).

The spelling of 13103213204400 in words is "thirteen trillion, one hundred three billion, two hundred thirteen million, two hundred four thousand, four hundred".