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16016798472400 = 245211293710873121
BaseRepresentation
bin1110100100010011001110…
…0101010101100011010000
32002201012011020001121202001
43221010303211111203100
54044404400402104100
654022003213403344
73242114124460615
oct351046345254320
962635136047661
1016016798472400
1151157601a9410
1219681b5499554
138c24ba80accb
143d5307d3c50c
151cb978a45d6a
hexe91339558d0

16016798472400 has 480 divisors, whose sum is σ = 44655121889280. Its totient is φ = 5464682496000.

The previous prime is 16016798472379. The next prime is 16016798472403. The reversal of 16016798472400 is 427489761061.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16016798472403) 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, 5131942840 + ... + 5131945960.

It is an arithmetic number, because the mean of its divisors is an integer number (93031503936).

Almost surely, 216016798472400 is an apocalyptic number.

16016798472400 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 16016798472400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22327560944640).

16016798472400 is an abundant number, since it is smaller than the sum of its proper divisors (28638323416880).

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

16016798472400 is a wasteful number, since it uses less digits than its factorization.

16016798472400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4303 (or 4292 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 55.

The spelling of 16016798472400 in words is "sixteen trillion, sixteen billion, seven hundred ninety-eight million, four hundred seventy-two thousand, four hundred".