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16964906380 = 2251276679097
BaseRepresentation
bin11111100110010111…
…11110110110001100
31121210022110112111221
433303023332312030
5234221004001010
611443224453124
71140256216312
oct176313766614
947708415457
1016964906380
11721627a294
12335561a1a4
1317a4956b56
14b6d1860b2
15694593dda
hex3f32fed8c

16964906380 has 24 divisors (see below), whose sum is σ = 35906830848. Its totient is φ = 6732528768.

The previous prime is 16964906377. The next prime is 16964906393. The reversal of 16964906380 is 8360946961.

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, 3337009 + ... + 3342088.

It is an arithmetic number, because the mean of its divisors is an integer number (1496117952).

Almost surely, 216964906380 is an apocalyptic number.

16964906380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16964906380 is an abundant number, since it is smaller than the sum of its proper divisors (18941924468).

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

16964906380 is a wasteful number, since it uses less digits than its factorization.

16964906380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6679233 (or 6679231 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 52.

The spelling of 16964906380 in words is "sixteen billion, nine hundred sixty-four million, nine hundred six thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 127 254 508 635 1270 2540 6679097 13358194 26716388 33395485 66790970 133581940 848245319 1696490638 3392981276 4241226595 8482453190 16964906380