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52037891019 = 343724172047
BaseRepresentation
bin110000011101101100…
…110011001111001011
311222022121110202120000
4300131230303033023
51323033200003034
635523400334043
73521355526662
oct603554631713
9158277422500
1052037891019
112008403a804
12a103474323
134ba40229ba
14273924ddd9
15154873e599
hexc1db333cb

52037891019 has 40 divisors (see below), whose sum is σ = 80168962368. Its totient is φ = 33613781760.

The previous prime is 52037890951. The next prime is 52037891033. The reversal of 52037891019 is 91019873025.

52037891019 is a `hidden beast` number, since 520 + 37 + 8 + 91 + 0 + 1 + 9 = 666.

It is not a de Polignac number, because 52037891019 - 224 = 52021113803 is a prime.

It is a super-2 number, since 2×520378910192 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52037891099) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 686254 + ... + 758300.

Almost surely, 252037891019 is an apocalyptic number.

52037891019 is a deficient number, since it is larger than the sum of its proper divisors (28131071349).

52037891019 is a wasteful number, since it uses less digits than its factorization.

52037891019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72337 (or 72328 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 45.

The spelling of 52037891019 in words is "fifty-two billion, thirty-seven million, eight hundred ninety-one thousand, nineteen".

Divisors: 1 3 9 27 37 81 111 241 333 723 999 2169 2997 6507 8917 19521 26751 72047 80253 216141 240759 648423 722277 1945269 2665739 5835807 7997217 17363327 23991651 52089981 71974953 156269943 215924859 468809829 642443099 1406429487 1927329297 5781987891 17345963673 52037891019