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11887308384 = 253717689447
BaseRepresentation
bin10110001001000100…
…11110111001100000
31010200110001211111220
423010202132321200
5143321122332014
65243322135040
7600402311520
oct130442367140
933613054456
1011887308384
115050091806
122379051480
1311759c92b3
1480aa85680
154989106a9
hex2c489ee60

11887308384 has 48 divisors (see below), whose sum is σ = 35661927168. Its totient is φ = 3396373632.

The previous prime is 11887308359. The next prime is 11887308401. The reversal of 11887308384 is 48380378811.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

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, 8844052 + ... + 8845395.

It is an arithmetic number, because the mean of its divisors is an integer number (742956816).

Almost surely, 211887308384 is an apocalyptic number.

11887308384 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11887308384 is an abundant number, since it is smaller than the sum of its proper divisors (23774618784).

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

11887308384 is a wasteful number, since it uses less digits than its factorization.

11887308384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17689467 (or 17689459 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 51.

The spelling of 11887308384 in words is "eleven billion, eight hundred eighty-seven million, three hundred eight thousand, three hundred eighty-four".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 84 96 112 168 224 336 672 17689447 35378894 53068341 70757788 106136682 123826129 141515576 212273364 247652258 283031152 371478387 424546728 495304516 566062304 742956774 849093456 990609032 1485913548 1698186912 1981218064 2971827096 3962436128 5943654192 11887308384