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1000131013312 = 263110739711867
BaseRepresentation
bin11101000110111000111…
…01000010101011000000
310112121111211221120221221
432203130131002223000
5112341232014411222
62043242010324424
7132154115230024
oct16433435025300
93477454846857
101000131013312
1135617597a162
121419b9a29714
137340947a602
14365999cc384
151b037ee50c7
hexe8dc742ac0

1000131013312 has 112 divisors (see below), whose sum is σ = 2073185031168. Its totient is φ = 478163727360.

The previous prime is 1000131013261. The next prime is 1000131013331. The reversal of 1000131013312 is 2133101310001.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84272403 + ... + 84284269.

Almost surely, 21000131013312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1000131013312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1036592515584).

1000131013312 is an abundant number, since it is smaller than the sum of its proper divisors (1073054017856).

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

1000131013312 is a wasteful number, since it uses less digits than its factorization.

1000131013312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12414 (or 12404 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 1000131013312 its reverse (2133101310001), we get a palindrome (3133232323313).

The spelling of 1000131013312 in words is "one trillion, one hundred thirty-one million, thirteen thousand, three hundred twelve".

Divisors: 1 2 4 8 16 31 32 62 64 107 124 214 248 397 428 496 794 856 992 1588 1712 1984 3176 3317 3424 6352 6634 6848 11867 12307 12704 13268 23734 24614 25408 26536 42479 47468 49228 53072 84958 94936 98456 106144 169916 189872 196912 212288 339832 367877 379744 393824 679664 735754 759488 787648 1269769 1316849 1359328 1471508 2539538 2633698 2718656 2943016 4711199 5079076 5267396 5886032 9422398 10158152 10534792 11772064 18844796 20316304 21069584 23544128 37689592 39362839 40632608 42139168 75379184 78725678 81265216 84278336 146047169 150758368 157451356 292094338 301516736 314902712 504098293 584188676 629805424 1008196586 1168377352 1259610848 2016393172 2336754704 2519221696 4032786344 4673509408 8065572688 9347018816 15627047083 16131145376 31254094166 32262290752 62508188332 125016376664 250032753328 500065506656 1000131013312