Search a number
-
+
1396628486400 = 28352779199661
BaseRepresentation
bin10100010100101101100…
…010110111100100000000
311221111221102220011021210
4110110231202313210000
5140340243343031100
62545334031250120
7202621520155230
oct24245542674400
94844842804253
101396628486400
11499341409214
121a6814079940
13a1917276104
144b850935cc0
15264e2182c50
hex1452d8b7900

1396628486400 has 864 divisors, whose sum is σ = 5369211904000. Its totient is φ = 313130188800.

The previous prime is 1396628486369. The next prime is 1396628486401. The reversal of 1396628486400 is 46848266931.

It is a super-2 number, since 2×13966284864002 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1396628486401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2112902070 + ... + 2112902730.

Almost surely, 21396628486400 is an apocalyptic number.

1396628486400 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 1396628486400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2684605952000).

1396628486400 is an abundant number, since it is smaller than the sum of its proper divisors (3972583417600).

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

1396628486400 is a wasteful number, since it uses less digits than its factorization.

1396628486400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 975 (or 956 counting only the distinct ones).

The product of its (nonzero) digits is 11943936, while the sum is 57.

The spelling of 1396628486400 in words is "one trillion, three hundred ninety-six billion, six hundred twenty-eight million, four hundred eighty-six thousand, four hundred".