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2052131378 = 211613893931
BaseRepresentation
bin111101001010001…
…0000101000110010
312022000110002000212
41322110100220302
513200321201003
6535344144122
7101565554213
oct17224205062
95260402025
102052131378
11963413750
12493308042
132691ca92b
1415678940a
15c025ddd8
hex7a510a32

2052131378 has 32 divisors (see below), whose sum is σ = 3422727360. Its totient is φ = 914904000.

The previous prime is 2052131377. The next prime is 2052131447. The reversal of 2052131378 is 8731312502.

It is a super-2 number, since 2×20521313782 = 8422486385144357768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2052131377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 520073 + ... + 524003.

It is an arithmetic number, because the mean of its divisors is an integer number (106960230).

Almost surely, 22052131378 is an apocalyptic number.

2052131378 is a deficient number, since it is larger than the sum of its proper divisors (1370595982).

2052131378 is a wasteful number, since it uses less digits than its factorization.

2052131378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4394.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 2052131378 is about 45300.4567085145. The cubic root of 2052131378 is about 1270.7741942899.

The spelling of 2052131378 in words is "two billion, fifty-two million, one hundred thirty-one thousand, three hundred seventy-eight".

Divisors: 1 2 11 22 61 122 389 671 778 1342 3931 4279 7862 8558 23729 43241 47458 86482 239791 261019 479582 522038 1529159 2637701 3058318 5275402 16820749 33641498 93278699 186557398 1026065689 2052131378