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2137695748 = 22534423937
BaseRepresentation
bin111111101101010…
…1010011000000100
312111222110012021121
41333122222120010
513334222230443
6552042123324
7103655054056
oct17732523004
95458405247
102137695748
119a7745501
124b7ab0544
13280b58936
14163c9d8d6
15c7a114ed
hex7f6aa604

2137695748 has 6 divisors (see below), whose sum is σ = 3740967566. Its totient is φ = 1068847872.

The previous prime is 2137695743. The next prime is 2137695751. The reversal of 2137695748 is 8475967312.

It can be written as a sum of positive squares in only one way, i.e., 1077021124 + 1060674624 = 32818^2 + 32568^2 .

It is a super-2 number, since 2×21376957482 = 9139486222034559008, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2137695695 and 2137695704.

It is not an unprimeable number, because it can be changed into a prime (2137695743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 267211965 + ... + 267211972.

Almost surely, 22137695748 is an apocalyptic number.

It is an amenable number.

2137695748 is a deficient number, since it is larger than the sum of its proper divisors (1603271818).

2137695748 is a wasteful number, since it uses less digits than its factorization.

2137695748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534423941 (or 534423939 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 52.

The square root of 2137695748 is about 46235.2219417188. The cubic root of 2137695748 is about 1288.1960539298.

The spelling of 2137695748 in words is "two billion, one hundred thirty-seven million, six hundred ninety-five thousand, seven hundred forty-eight".

Divisors: 1 2 4 534423937 1068847874 2137695748