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389813831316 = 223471313221199
BaseRepresentation
bin1011010110000101011…
…01110000011010010100
31101021011210111101110000
411223002231300122110
522341314320100231
6455024503131300
740106643616140
oct5530255603224
91337153441400
10389813831316
11140356822078
126366ba43b30
132a9b41ca2b0
1414c1d41c220
15a2175146e6
hex5ac2b70694

389813831316 has 120 divisors (see below), whose sum is σ = 1254215916800. Its totient is φ = 102808035648.

The previous prime is 389813831269. The next prime is 389813831317. The reversal of 389813831316 is 613138318983.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389813831317) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 6581116 + ... + 6640083.

Almost surely, 2389813831316 is an apocalyptic number.

389813831316 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

389813831316 is an abundant number, since it is smaller than the sum of its proper divisors (864402085484).

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

389813831316 is a wasteful number, since it uses less digits than its factorization.

389813831316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13221235 (or 13221224 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 54.

The spelling of 389813831316 in words is "three hundred eighty-nine billion, eight hundred thirteen million, eight hundred thirty-one thousand, three hundred sixteen".

Divisors: 1 2 3 4 6 7 9 12 13 14 18 21 26 27 28 36 39 42 52 54 63 78 81 84 91 108 117 126 156 162 182 189 234 252 273 324 351 364 378 468 546 567 702 756 819 1053 1092 1134 1404 1638 2106 2268 2457 3276 4212 4914 7371 9828 14742 29484 13221199 26442398 39663597 52884796 79327194 92548393 118990791 158654388 171875587 185096786 237981582 277645179 343751174 356972373 370193572 475963164 515626761 555290358 687502348 713944746 832935537 1031253522 1070917119 1110580716 1203129109 1427889492 1546880283 1665871074 2062507044 2141834238 2406258218 2498806611 3093760566 3331742148 3609387327 4283668476 4640640849 4812516436 4997613222 6187521132 7218774654 7496419833 9281281698 9995226444 10828161981 13921922547 14437549308 14992839666 18562563396 21656323962 27843845094 29985679332 32484485943 43312647924 55687690188 64968971886 97453457829 129937943772 194906915658 389813831316