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128593492346 = 21119929372657
BaseRepresentation
bin111011111000011000…
…1001111100101111010
3110021220220100020211202
41313300301033211322
54101324413223341
6135024112454202
712201444435644
oct1676061174572
9407826306752
10128593492346
114a599746110
1220b0984a362
13c184687c97
14631c781894
15352963579b
hex1df0c4f97a

128593492346 has 16 divisors (see below), whose sum is σ = 211483137600. Its totient is φ = 58157858880.

The previous prime is 128593492327. The next prime is 128593492351. The reversal of 128593492346 is 643294395821.

It is a junction number, because it is equal to n+sod(n) for n = 128593492291 and 128593492300.

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, 14681951 + ... + 14690706.

It is an arithmetic number, because the mean of its divisors is an integer number (13217696100).

Almost surely, 2128593492346 is an apocalyptic number.

128593492346 is a deficient number, since it is larger than the sum of its proper divisors (82889645254).

128593492346 is a wasteful number, since it uses less digits than its factorization.

128593492346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29372869.

The product of its digits is 11197440, while the sum is 56.

The spelling of 128593492346 in words is "one hundred twenty-eight billion, five hundred ninety-three million, four hundred ninety-two thousand, three hundred forty-six".

Divisors: 1 2 11 22 199 398 2189 4378 29372657 58745314 323099227 646198454 5845158743 11690317486 64296746173 128593492346