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2071442838 = 232831219931
BaseRepresentation
bin111101101110111…
…1011010110010110
312100100210012101010
41323131323112112
513220242132323
6541314113050
7102221654643
oct17335732626
95310705333
102071442838
11973303733
1249987b786
132701cc82a
14159174dca
15c1cc5c93
hex7b77b596

2071442838 has 16 divisors (see below), whose sum is σ = 4157528256. Its totient is φ = 688040520.

The previous prime is 2071442803. The next prime is 2071442881. The reversal of 2071442838 is 8382441702.

It is a super-2 number, since 2×20714428382 = 8581750862202988488, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2071442796 and 2071442805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 608268 + ... + 611663.

It is an arithmetic number, because the mean of its divisors is an integer number (259845516).

Almost surely, 22071442838 is an apocalyptic number.

2071442838 is an abundant number, since it is smaller than the sum of its proper divisors (2086085418).

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

2071442838 is a wasteful number, since it uses less digits than its factorization.

2071442838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220219.

The product of its (nonzero) digits is 86016, while the sum is 39.

The square root of 2071442838 is about 45513.1062222740. The cubic root of 2071442838 is about 1274.7479369456.

The spelling of 2071442838 in words is "two billion, seventy-one million, four hundred forty-two thousand, eight hundred thirty-eight".

Divisors: 1 2 3 6 283 566 849 1698 1219931 2439862 3659793 7319586 345240473 690480946 1035721419 2071442838