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29020732938 = 23243149925013
BaseRepresentation
bin11011000001110001…
…010011111000001010
32202220111121222111200
4123001301103320022
5433413301423223
621155411005030
72045106105561
oct330161237012
982814558450
1029020732938
11113424a120a
12575ab99776
132976536b32
141594376bd8
15b4cb90a43
hex6c1c53e0a

29020732938 has 48 divisors (see below), whose sum is σ = 64386036000. Its totient is φ = 9441929952.

The previous prime is 29020732933. The next prime is 29020732991. The reversal of 29020732938 is 83923702092.

29020732938 is a `hidden beast` number, since 2 + 90 + 207 + 329 + 38 = 666.

It is a super-2 number, since 2×290207329382 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 29020732893 and 29020732902.

It is not an unprimeable number, because it can be changed into a prime (29020732933) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1147720 + ... + 1172732.

It is an arithmetic number, because the mean of its divisors is an integer number (1341375750).

Almost surely, 229020732938 is an apocalyptic number.

29020732938 is an abundant number, since it is smaller than the sum of its proper divisors (35365303062).

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

29020732938 is a wasteful number, since it uses less digits than its factorization.

29020732938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26563 (or 26560 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The spelling of 29020732938 in words is "twenty-nine billion, twenty million, seven hundred thirty-two thousand, nine hundred thirty-eight".

Divisors: 1 2 3 6 9 18 43 86 129 258 387 774 1499 2998 4497 8994 13491 25013 26982 50026 64457 75039 128914 150078 193371 225117 386742 450234 580113 1075559 1160226 2151118 3226677 6453354 9680031 19360062 37494487 74988974 112483461 224966922 337450383 674900766 1612262941 3224525882 4836788823 9673577646 14510366469 29020732938