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864769942428 = 223721470697181
BaseRepresentation
bin11001001010110000100…
…11100010001110011100
310001200010022012201122020
430211120103202032130
5103132022101124203
61501134141020140
7116322543141300
oct14453023421634
93050108181566
10864769942428
113038240a7137
1211b721854650
13637169b5bb2
142dbd8511d00
15177646a6153
hexc9584e239c

864769942428 has 36 divisors (see below), whose sum is σ = 2347232702472. Its totient is φ = 247077126240.

The previous prime is 864769942417. The next prime is 864769942429. The reversal of 864769942428 is 824249967468.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (864769942429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 735348003 + ... + 735349178.

It is an arithmetic number, because the mean of its divisors is an integer number (65200908402).

Almost surely, 2864769942428 is an apocalyptic number.

It is an amenable number.

864769942428 is an abundant number, since it is smaller than the sum of its proper divisors (1482462760044).

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

864769942428 is a wasteful number, since it uses less digits than its factorization.

864769942428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1470697202 (or 1470697193 counting only the distinct ones).

The product of its digits is 334430208, while the sum is 69.

The spelling of 864769942428 in words is "eight hundred sixty-four billion, seven hundred sixty-nine million, nine hundred forty-two thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 49 84 98 147 196 294 588 1470697181 2941394362 4412091543 5882788724 8824183086 10294880267 17648366172 20589760534 30884640801 41179521068 61769281602 72064161869 123538563204 144128323738 216192485607 288256647476 432384971214 864769942428