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11982662320 = 2451039144161
BaseRepresentation
bin10110010100011100…
…01110101010110000
31010221002111022112011
423022032032222300
5144020030143240
65301010012304
7602640643366
oct131216165260
933832438464
1011982662320
11509999a612
1223a4b77094
13118c6a4145
148195c7636
154a1e986ea
hex2ca38eab0

11982662320 has 40 divisors (see below), whose sum is σ = 27886697280. Its totient is φ = 4788418560.

The previous prime is 11982662311. The next prime is 11982662327. The reversal of 11982662320 is 2326628911.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (11982662327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11040 + ... + 155200.

It is an arithmetic number, because the mean of its divisors is an integer number (697167432).

Almost surely, 211982662320 is an apocalyptic number.

11982662320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11982662320 is an abundant number, since it is smaller than the sum of its proper divisors (15904034960).

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

11982662320 is a wasteful number, since it uses less digits than its factorization.

11982662320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145213 (or 145207 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The spelling of 11982662320 in words is "eleven billion, nine hundred eighty-two million, six hundred sixty-two thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 1039 2078 4156 5195 8312 10390 16624 20780 41560 83120 144161 288322 576644 720805 1153288 1441610 2306576 2883220 5766440 11532880 149783279 299566558 599133116 748916395 1198266232 1497832790 2396532464 2995665580 5991331160 11982662320