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68182035146 = 21131916732347
BaseRepresentation
bin111111011111111101…
…110100101011001010
320111222201112020220222
4333133331310223022
52104114100111041
651153345350042
74632420510401
oct773775645312
9214881466828
1068182035146
1126a08a88185
121126a038322
1365779075c4
14342b3c4638
151b90c0974b
hexfdff74aca

68182035146 has 32 divisors (see below), whose sum is σ = 103916694528. Its totient is φ = 33548175360.

The previous prime is 68182035137. The next prime is 68182035161. The reversal of 68182035146 is 64153028186.

It is a junction number, because it is equal to n+sod(n) for n = 68182035097 and 68182035106.

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, 29049545 + ... + 29051891.

It is an arithmetic number, because the mean of its divisors is an integer number (3247396704).

Almost surely, 268182035146 is an apocalyptic number.

68182035146 is a deficient number, since it is larger than the sum of its proper divisors (35734659382).

68182035146 is a wasteful number, since it uses less digits than its factorization.

68182035146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3326.

The product of its (nonzero) digits is 276480, while the sum is 44.

The spelling of 68182035146 in words is "sixty-eight billion, one hundred eighty-two million, thirty-five thousand, one hundred forty-six".

Divisors: 1 2 113 191 226 382 673 1346 2347 4694 21583 43166 76049 128543 152098 257086 265211 448277 530422 896554 1579531 3159062 14525359 29050718 50655301 101310602 178487003 301690421 356974006 603380842 34091017573 68182035146