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13011365400 = 2335211101131149
BaseRepresentation
bin11000001111000100…
…11010111000011000
31020120210011211212020
430013202122320120
5203121402143100
65551034414440
7640301531625
oct140742327030
936523154766
1013011365400
115577638450
122631591420
1312c4850ba7
148b608734c
155124495a0
hex30789ae18

13011365400 has 384 divisors, whose sum is σ = 45077472000. Its totient is φ = 3078400000.

The previous prime is 13011365387. The next prime is 13011365407. The reversal of 13011365400 is 456311031.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13011365407) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 87324526 + ... + 87324674.

It is an arithmetic number, because the mean of its divisors is an integer number (117389250).

Almost surely, 213011365400 is an apocalyptic number.

13011365400 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 13011365400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22538736000).

13011365400 is an abundant number, since it is smaller than the sum of its proper divisors (32066106600).

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

13011365400 is a wasteful number, since it uses less digits than its factorization.

13011365400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411 (or 402 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 13011365400 its reverse (456311031), we get a palindrome (13467676431).

It can be divided in two parts, 1301136 and 5400, that added together give a triangular number (1306536 = T1616).

The spelling of 13011365400 in words is "thirteen billion, eleven million, three hundred sixty-five thousand, four hundred".