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29280627545 = 5137928320149
BaseRepresentation
bin11011010001010000…
…101110101101011001
32210120121122222212212
4123101100232231121
5434431320040140
621241253244505
72054413141031
oct332120565531
983517588785
1029280627545
1111466172944
125812033735
1329b8332120
1415baaaa8c1
15b658cb765
hex6d142eb59

29280627545 has 32 divisors (see below), whose sum is σ = 38455872000. Its totient is φ = 21272419584.

The previous prime is 29280627539. The next prime is 29280627589. The reversal of 29280627545 is 54572608292.

It is not a de Polignac number, because 29280627545 - 220 = 29279578969 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 29280627493 and 29280627502.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1443131 + ... + 1463279.

It is an arithmetic number, because the mean of its divisors is an integer number (1201746000).

Almost surely, 229280627545 is an apocalyptic number.

It is an amenable number.

29280627545 is a deficient number, since it is larger than the sum of its proper divisors (9175244455).

29280627545 is a wasteful number, since it uses less digits than its factorization.

29280627545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20529.

The product of its (nonzero) digits is 2419200, while the sum is 50.

The spelling of 29280627545 in words is "twenty-nine billion, two hundred eighty million, six hundred twenty-seven thousand, five hundred forty-five".

Divisors: 1 5 13 65 79 283 395 1027 1415 3679 5135 18395 20149 22357 100745 111785 261937 290641 1309685 1453205 1591771 5702167 7958855 20693023 28510835 74128171 103465115 370640855 450471193 2252355965 5856125509 29280627545