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27832921038 = 23213139855713
BaseRepresentation
bin11001111010111110…
…001010101111001110
32122211201112212220100
4121322332022233032
5424000211433123
620441500031530
72003503632246
oct317276125716
978751485810
1027832921038
1110892a5a58a
1254892325a6
13281741c160
1414c06dab26
15acd761643
hex67af8abce

27832921038 has 48 divisors (see below), whose sum is σ = 65410778160. Its totient is φ = 8502354432.

The previous prime is 27832921037. The next prime is 27832921063. The reversal of 27832921038 is 83012923872.

27832921038 is a `hidden beast` number, since 278 + 329 + 21 + 0 + 38 = 666.

27832921038 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 27832920984 and 27832921002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27832921037) 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, 395331 + ... + 460382.

It is an arithmetic number, because the mean of its divisors is an integer number (1362724545).

Almost surely, 227832921038 is an apocalyptic number.

27832921038 is an abundant number, since it is smaller than the sum of its proper divisors (37577857122).

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

27832921038 is a wasteful number, since it uses less digits than its factorization.

27832921038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855873 (or 855870 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 27832921038 in words is "twenty-seven billion, eight hundred thirty-two million, nine hundred twenty-one thousand, thirty-eight".

Divisors: 1 2 3 6 9 13 18 26 39 78 117 139 234 278 417 834 1251 1807 2502 3614 5421 10842 16263 32526 855713 1711426 2567139 5134278 7701417 11124269 15402834 22248538 33372807 66745614 100118421 118944107 200236842 237888214 356832321 713664642 1070496963 1546273391 2140993926 3092546782 4638820173 9277640346 13916460519 27832921038