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102005070804 = 2232713129724007
BaseRepresentation
bin101111011111111111…
…0011101101111010100
3100202021220112111022100
41132333332131233110
53132401244231204
6114505510402100
710240531536660
oct1367776355724
9322256474270
10102005070804
113a29522650a
1217929360330
139808040b80
144d194798a0
1529c029ea39
hex17bff9dbd4

102005070804 has 144 divisors (see below), whose sum is σ = 317607017728. Its totient is φ = 26880574464.

The previous prime is 102005070773. The next prime is 102005070809. The reversal of 102005070804 is 408070500201.

102005070804 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102005070809) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4236969 + ... + 4260975.

Almost surely, 2102005070804 is an apocalyptic number.

102005070804 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102005070804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158803508864).

102005070804 is an abundant number, since it is smaller than the sum of its proper divisors (215601946924).

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

102005070804 is a wasteful number, since it uses less digits than its factorization.

102005070804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25334 (or 25329 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The spelling of 102005070804 in words is "one hundred two billion, five million, seventy thousand, eight hundred four".

Divisors: 1 2 3 4 6 7 9 12 13 14 18 21 26 28 36 39 42 52 63 78 84 91 117 126 156 182 234 252 273 364 468 546 819 1092 1297 1638 2594 3276 3891 5188 7782 9079 11673 15564 16861 18158 23346 24007 27237 33722 36316 46692 48014 50583 54474 67444 72021 81711 96028 101166 108948 118027 144042 151749 163422 168049 202332 216063 236054 288084 303498 312091 326844 336098 354081 432126 472108 504147 606996 624182 672196 708162 864252 936273 1008294 1062243 1248364 1416324 1512441 1872546 2016588 2124486 2184637 2808819 3024882 3745092 4248972 4369274 5617638 6049764 6553911 8738548 11235276 13107822 19661733 26215644 31137079 39323466 62274158 78646932 93411237 124548316 186822474 217959553 280233711 373644948 404782027 435919106 560467422 653878659 809564054 871838212 1120934844 1214346081 1307757318 1619128108 1961635977 2428692162 2615514636 2833474189 3643038243 3923271954 4857384324 5666948378 7286076486 7846543908 8500422567 11333896756 14572152972 17000845134 25501267701 34001690268 51002535402 102005070804