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13281333032 = 23111941193741
BaseRepresentation
bin11000101111010000…
…10000111100101000
31021021121011121211102
430113220100330220
5204200010124112
610033521020532
7650060316362
oct142750207450
937247147742
1013281333032
1156a5a6a0a0
1226a7a84748
131338765056
148ddc7dd32
1552aec4bc2
hex317a10f28

13281333032 has 64 divisors (see below), whose sum is σ = 29293790400. Its totient is φ = 5579712000.

The previous prime is 13281332969. The next prime is 13281333053. The reversal of 13281333032 is 23033318231.

It is a junction number, because it is equal to n+sod(n) for n = 13281332986 and 13281333004.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28319 + ... + 165422.

It is an arithmetic number, because the mean of its divisors is an integer number (457715475).

Almost surely, 213281333032 is an apocalyptic number.

It is an amenable number.

13281333032 is an abundant number, since it is smaller than the sum of its proper divisors (16012457368).

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

13281333032 is a wasteful number, since it uses less digits than its factorization.

13281333032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193818 (or 193814 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 29.

The spelling of 13281333032 in words is "thirteen billion, two hundred eighty-one million, three hundred thirty-three thousand, thirty-two".

Divisors: 1 2 4 8 11 19 22 38 41 44 76 82 88 152 164 209 328 418 451 779 836 902 1558 1672 1804 3116 3608 6232 8569 17138 34276 68552 193741 387482 774964 1549928 2131151 3681079 4262302 7362158 7943381 8524604 14724316 15886762 17049208 29448632 31773524 40491869 63547048 80983738 87377191 150924239 161967476 174754382 301848478 323934952 349508764 603696956 699017528 1207393912 1660166629 3320333258 6640666516 13281333032