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16880401400 = 235284402007
BaseRepresentation
bin11111011100010011…
…00111101111111000
31121120102110020110212
433232021213233320
5234032340321100
611431005330252
71135212021152
oct175611475770
947512406425
1016880401400
117182601465
123331266988
1317902aa0c5
14b61c69ad2
1568be50635
hex3ee267bf8

16880401400 has 24 divisors (see below), whose sum is σ = 39246933720. Its totient is φ = 6752160480.

The previous prime is 16880401357. The next prime is 16880401411. The reversal of 16880401400 is 410408861.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42200804 + ... + 42201203.

It is an arithmetic number, because the mean of its divisors is an integer number (1635288905).

Almost surely, 216880401400 is an apocalyptic number.

16880401400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16880401400 is an abundant number, since it is smaller than the sum of its proper divisors (22366532320).

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

16880401400 is a wasteful number, since it uses less digits than its factorization.

16880401400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84402023 (or 84402014 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 32.

The spelling of 16880401400 in words is "sixteen billion, eight hundred eighty million, four hundred one thousand, four hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 84402007 168804014 337608028 422010035 675216056 844020070 1688040140 2110050175 3376080280 4220100350 8440200700 16880401400