Search a number
-
+
12510291183380 = 22513120389234191
BaseRepresentation
bin1011011000001100011101…
…1101100100011100010100
31122021222020200222002122222
42312003013131210130110
53114432034020332010
642335052021041512
72430560451343064
oct266030735443424
948258220862588
1012510291183380
113a93648259731
1214a06b3256298
136c993b959883
143137038c13a4
1516a64c27d355
hexb60c7764714

12510291183380 has 48 divisors (see below), whose sum is σ = 26473569534720. Its totient is φ = 4965652348800.

The previous prime is 12510291183367. The next prime is 12510291183451. The reversal of 12510291183380 is 8338119201521.

It is a congruent number.

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, 53302085 + ... + 53536275.

It is an arithmetic number, because the mean of its divisors is an integer number (551532698640).

Almost surely, 212510291183380 is an apocalyptic number.

12510291183380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12510291183380 is an abundant number, since it is smaller than the sum of its proper divisors (13963278351340).

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

12510291183380 is a wasteful number, since it uses less digits than its factorization.

12510291183380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254720 (or 254718 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 44.

The spelling of 12510291183380 in words is "twelve trillion, five hundred ten billion, two hundred ninety-one million, one hundred eighty-three thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 131 262 524 655 1310 2620 20389 40778 81556 101945 203890 234191 407780 468382 936764 1170955 2341910 2670959 4683820 5341918 10683836 13354795 26709590 30679021 53419180 61358042 122716084 153395105 306790210 613580420 4774920299 9549840598 19099681196 23874601495 47749202990 95498405980 625514559169 1251029118338 2502058236676 3127572795845 6255145591690 12510291183380