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102080631500 = 22534112739209
BaseRepresentation
bin101111100010001111…
…0101101001011001100
3100202111011201101002122
41133010132231023030
53133030120202000
6114521210112112
710242440023361
oct1370436551314
9322434641078
10102080631500
113a323945371
121794a71b638
13981a8a8743
144d25508468
1529c6c28085
hex17c47ad2cc

102080631500 has 96 divisors (see below), whose sum is σ = 230185912320. Its totient is φ = 39521664000.

The previous prime is 102080631491. The next prime is 102080631571. The reversal of 102080631500 is 5136080201.

It is a self number, because there is not a number n which added to its sum of digits gives 102080631500.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2583896 + ... + 2623104.

It is an arithmetic number, because the mean of its divisors is an integer number (2397769920).

Almost surely, 2102080631500 is an apocalyptic number.

102080631500 is a gapful number since it is divisible by the number (10) 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 102080631500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115092956160).

102080631500 is an abundant number, since it is smaller than the sum of its proper divisors (128105280820).

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

102080631500 is a wasteful number, since it uses less digits than its factorization.

102080631500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39396 (or 39384 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The spelling of 102080631500 in words is "one hundred two billion, eighty million, six hundred thirty-one thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 41 50 82 100 125 127 164 205 250 254 410 500 508 635 820 1025 1270 2050 2540 3175 4100 5125 5207 6350 10250 10414 12700 15875 20500 20828 26035 31750 39209 52070 63500 78418 104140 130175 156836 196045 260350 392090 520700 650875 784180 980225 1301750 1607569 1960450 2603500 3215138 3920900 4901125 4979543 6430276 8037845 9802250 9959086 16075690 19604500 19918172 24897715 32151380 40189225 49795430 80378450 99590860 124488575 160756900 200946125 204161263 248977150 401892250 408322526 497954300 622442875 803784500 816645052 1020806315 1244885750 2041612630 2489771500 4083225260 5104031575 10208063150 20416126300 25520157875 51040315750 102080631500