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1213385800424 = 23741341524119
BaseRepresentation
bin10001101010000011011…
…011011111101011101000
311021222221221110020010112
4101222003123133223220
5124340003231103144
62325231032433452
7153443555062160
oct21520333375350
94258857406115
101213385800424
11428659719076
121771b4548888
138a563898a85
1442a2a1dd5a0
1521869e4899e
hex11a836dfae8

1213385800424 has 32 divisors (see below), whose sum is σ = 2600180284800. Its totient is φ = 520008914880.

The previous prime is 1213385800397. The next prime is 1213385800433. The reversal of 1213385800424 is 4240085833121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2053037 + ... + 2577155.

It is an arithmetic number, because the mean of its divisors is an integer number (81255633900).

Almost surely, 21213385800424 is an apocalyptic number.

1213385800424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1213385800424 is an abundant number, since it is smaller than the sum of its proper divisors (1386794484376).

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

1213385800424 is a wasteful number, since it uses less digits than its factorization.

1213385800424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565473 (or 565469 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 41.

The spelling of 1213385800424 in words is "one trillion, two hundred thirteen billion, three hundred eighty-five million, eight hundred thousand, four hundred twenty-four".

Divisors: 1 2 4 7 8 14 28 56 41341 82682 165364 289387 330728 524119 578774 1048238 1157548 2096476 2315096 3668833 4192952 7337666 14675332 29350664 21667603579 43335207158 86670414316 151673225053 173340828632 303346450106 606692900212 1213385800424