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2031611870008 = 237673547152657
BaseRepresentation
bin11101100100000101100…
…000001111101100111000
321012012221112011020022101
4131210011200033230320
5231241220114320013
64153150513033144
7266531143652260
oct35440540175470
97165845136271
102031611870008
11713668a33696
122898a68557b4
13119770859cb6
147048addc7a0
1537ca839c8dd
hex1d90580fb38

2031611870008 has 64 divisors (see below), whose sum is σ = 4419705565440. Its totient is φ = 857447990784.

The previous prime is 2031611869993. The next prime is 2031611870011. The reversal of 2031611870008 is 8000781161302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13232016 + ... + 13384672.

It is an arithmetic number, because the mean of its divisors is an integer number (69057899460).

Almost surely, 22031611870008 is an apocalyptic number.

2031611870008 is a gapful number since it is divisible by the number (28) 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 2031611870008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2209852782720).

2031611870008 is an abundant number, since it is smaller than the sum of its proper divisors (2388093695432).

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

2031611870008 is a wasteful number, since it uses less digits than its factorization.

2031611870008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156284 (or 156280 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 37.

The spelling of 2031611870008 in words is "two trillion, thirty-one billion, six hundred eleven million, eight hundred seventy thousand, eight".

Divisors: 1 2 4 7 8 14 28 56 67 134 268 469 536 938 1876 3547 3752 7094 14188 24829 28376 49658 99316 152657 198632 237649 305314 475298 610628 950596 1068599 1221256 1663543 1901192 2137198 3327086 4274396 6654172 8548792 10228019 13308344 20456038 40912076 71596133 81824152 143192266 286384532 541474379 572769064 1082948758 2165897516 3790320653 4331795032 7580641306 15161282612 30322565224 36278783393 72557566786 145115133572 253951483751 290230267144 507902967502 1015805935004 2031611870008