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2047909080 = 2335717612351
BaseRepresentation
bin111101000010000…
…1001110011011000
312021201111120010110
41322010021303120
513143231042310
6535113444320
7101514640260
oct17204116330
95251446113
102047909080
11960a9a448
12491a106a0
1326837cb29
14155daa7a0
15bebc7d20
hex7a109cd8

2047909080 has 256 divisors, whose sum is σ = 7559516160. Its totient is φ = 433152000.

The previous prime is 2047909079. The next prime is 2047909081. The reversal of 2047909080 is 809097402.

It is an interprime number because it is at equal distance from previous prime (2047909079) and next prime (2047909081).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2047909081) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 869905 + ... + 872255.

It is an arithmetic number, because the mean of its divisors is an integer number (29529360).

Almost surely, 22047909080 is an apocalyptic number.

2047909080 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 2047909080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3779758080).

2047909080 is an abundant number, since it is smaller than the sum of its proper divisors (5511607080).

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

2047909080 is a wasteful number, since it uses less digits than its factorization.

2047909080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2450 (or 2446 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 2047909080 is about 45253.8294512188. The cubic root of 2047909080 is about 1269.9020487830.

The spelling of 2047909080 in words is "two billion, forty-seven million, nine hundred nine thousand, eighty".