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29132545520 = 2451328012063
BaseRepresentation
bin11011001000011011…
…110101110111110000
32210012022000122112102
4123020123311313300
5434130412424040
621214443315532
72050634360021
oct331033656760
983168018472
1029132545520
111139a620701
12579051bba8
132993755220
1415a5160c48
15b578ca515
hex6c86f5df0

29132545520 has 40 divisors (see below), whose sum is σ = 72943414656. Its totient is φ = 10756631808.

The previous prime is 29132545513. The next prime is 29132545577. The reversal of 29132545520 is 2554523192.

It is a tau number, because it is divible by the number of its divisors (40).

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, 14004992 + ... + 14007071.

Almost surely, 229132545520 is an apocalyptic number.

29132545520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29132545520 is an abundant number, since it is smaller than the sum of its proper divisors (43810869136).

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

29132545520 is a wasteful number, since it uses less digits than its factorization.

29132545520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28012089 (or 28012083 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 38.

The spelling of 29132545520 in words is "twenty-nine billion, one hundred thirty-two million, five hundred forty-five thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 13 16 20 26 40 52 65 80 104 130 208 260 520 1040 28012063 56024126 112048252 140060315 224096504 280120630 364156819 448193008 560241260 728313638 1120482520 1456627276 1820784095 2240965040 2913254552 3641568190 5826509104 7283136380 14566272760 29132545520