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2729379870 = 2325722371379
BaseRepresentation
bin1010001010101111…
…0000100000011110
321001012210212022100
42202223300200132
521042210123440
61130500025530
7124431226500
oct24253604036
97035725270
102729379870
111180733548
126420922a6
13346602399
141bc6bdd70
1510e93a230
hexa2af081e

2729379870 has 288 divisors, whose sum is σ = 8758264320. Its totient is φ = 586776960.

The previous prime is 2729379859. The next prime is 2729379883. The reversal of 2729379870 is 789739272.

It is a super-2 number, since 2×27293798702 = 14899028949522433800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 7201341 + ... + 7201719.

It is an arithmetic number, because the mean of its divisors is an integer number (30410640).

Almost surely, 22729379870 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2729379870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4379132160).

2729379870 is an abundant number, since it is smaller than the sum of its proper divisors (6028884450).

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

2729379870 is a wasteful number, since it uses less digits than its factorization.

2729379870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500 (or 490 counting only the distinct ones).

The product of its (nonzero) digits is 2667168, while the sum is 54.

The square root of 2729379870 is about 52243.4672471114. The cubic root of 2729379870 is about 1397.5091543100.

The spelling of 2729379870 in words is "two billion, seven hundred twenty-nine million, three hundred seventy-nine thousand, eight hundred seventy".