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2991740000 = 2554197873
BaseRepresentation
bin1011001001010010…
…0101010001100000
321201111111010202012
42302110211101200
522111341140000
61212511212052
7134065241024
oct26224452140
97644433665
102991740000
1112a58395a7
126b5b17028
13388a81972
14205496384
151279b1735
hexb2525460

2991740000 has 120 divisors (see below), whose sum is σ = 7748488440. Its totient is φ = 1133568000.

The previous prime is 2991739987. The next prime is 2991740023. The reversal of 2991740000 is 471992.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 376064 + ... + 383936.

It is an arithmetic number, because the mean of its divisors is an integer number (64570737).

Almost surely, 22991740000 is an apocalyptic number.

2991740000 is a gapful number since it is divisible by the number (20) 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 2991740000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3874244220).

2991740000 is an abundant number, since it is smaller than the sum of its proper divisors (4756748440).

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

2991740000 is an equidigital number, since it uses as much as digits as its factorization.

2991740000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7922 (or 7899 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 2991740000 is about 54696.8006376973. The cubic root of 2991740000 is about 1440.9246890102.

The spelling of 2991740000 in words is "two billion, nine hundred ninety-one million, seven hundred forty thousand".

Divisors: 1 2 4 5 8 10 16 19 20 25 32 38 40 50 76 80 95 100 125 152 160 190 200 250 304 380 400 475 500 608 625 760 800 950 1000 1250 1520 1900 2000 2375 2500 3040 3800 4000 4750 5000 7600 7873 9500 10000 11875 15200 15746 19000 20000 23750 31492 38000 39365 47500 62984 76000 78730 95000 125968 149587 157460 190000 196825 251936 299174 314920 380000 393650 598348 629840 747935 787300 984125 1196696 1259680 1495870 1574600 1968250 2393392 2991740 3149200 3739675 3936500 4786784 4920625 5983480 6298400 7479350 7873000 9841250 11966960 14958700 15746000 18698375 19682500 23933920 29917400 31492000 37396750 39365000 59834800 74793500 78730000 93491875 119669600 149587000 157460000 186983750 299174000 373967500 598348000 747935000 1495870000 2991740000